Conclusion first
The problem is not that someone gets sad.
The problem is not that emotions appear later.
The problem is when later emotions rewrite earlier consent.
A risky pattern looks like this:
- One person says, “I’m fine,” “It’s okay,” or “Sure.”
- The other person accepts that as consent.
- Later, the first person says, “I was actually hurt,” “I didn’t really want that,” or “I can’t feel secure with you.”
- The past agreement becomes invalidated.
- The responsibility shifts toward the other person.
If this happens repeatedly, the relationship becomes unstable.
You can accept someone’s feelings.
But accepting feelings is not the same as accepting full responsibility for an agreement that was clearly confirmed at the time.
The issue is not sadness itself
People may realize their feelings later.
At the moment, they may think they are fine.
Later, they may feel lonely, sad, or uncomfortable.
That is human.
A healthy way to express it would be:
At the time, I thought I was okay.
But later I felt sad.
I’m not trying to blame you.
I also realize I should not have said “I’m fine” so quickly.
Next time, I’ll say I need time to think.
And it would help me if you did this.
That is a conversation.
A dangerous version is:
I was actually hurt.
You should have known.
I thought it was obvious.
That’s why I can’t feel safe with you.
That turns a later feeling into a retroactive verdict.
If you asked, “Are you really okay?”, you cannot read minds
If one person never checks and simply pushes forward, that is a different issue.
But if they repeatedly ask:
- Are you okay?
- Tell me if you don’t want this.
- Please say what you really feel.
- You don’t have to force yourself.
And the other person answers, “Yes, I’m okay,” then the listener has to treat that as consent.
Relationships are not mind-reading games.
Of course, some people struggle to express their feelings.
They may fear rejection, conflict, or disappointing the other person.
But for a relationship to function, they still need some way to communicate uncertainty.
Even saying one of these would help:
- I don’t know yet.
- I need time to think.
- I might be saying “I’m okay” too quickly.
- I want to pause.
- It is hard for me to express my true feelings.
Without that, the other person has no usable information.
The mismatch is not necessarily love, but the consent protocol
This is often not about one person being evil.
It is a mismatch in how two people form agreements.
One person may operate like this:
- If you dislike something, tell me.
- If you tell me your true feelings, I will adjust.
- If you say you are okay, I will believe you.
- Consent should be checked verbally.
The other person may operate like this:
- I say yes in the moment.
- I suppress discomfort.
- I realize my true feelings later.
- I wish the other person had noticed.
- I withdraw or explode only when I reach my limit.
These two systems collide.
One person feels, “I checked, but the answer changed later.”
The other feels, “I was suffering, but you didn’t understand.”
Both feelings may be real.
But as a long-term relationship system, this is dangerous.
Premarital doubts should not be ignored
Wedding anxiety is normal.
Marriage changes life.
Family, money, work, housing, and expectations all become heavier.
But research suggests that premarital doubts should not simply be dismissed.
In a study of newlywed couples, wives who reported premarital doubts had a four-year divorce rate of 19%, compared with 8% among wives who did not report doubts. For husbands, the figures were 14% versus 9%.
The point is not “any doubt means you should cancel the wedding.”
The point is that doubts should be discussed early.
A healthy approach is:
- Talk before the wedding or legal marriage.
- Share uncertainty as your own feeling.
- Discuss money, housework, children, work, family, and intimacy.
- Pause before major decisions if needed.
A dangerous approach is:
- Push for a proposal.
- Suppress dissatisfaction.
- Explode during wedding planning.
- Say “I was actually unhappy” after legal marriage.
- Withdraw just before the ceremony.
The person may genuinely be suffering.
But the other person’s life is also moving.
Major concerns should be raised before major commitments.
Young marriage can look fast, but it also starts the real-life operating test early
People who marry young may look ahead.
But another way to see it is that they enter the real-life operating environment earlier.
Looks, chemistry, popularity, and excitement can help a relationship begin.
But marriage tests different things:
- Money
- Housework
- Childcare
- Mood regulation
- Work-life balance
- Intimacy
- Sexless periods
- In-laws
- Free time
- Appreciation
- Behavior under stress
Japan’s 2025 vital statistics show that the average age at first marriage was 31.0 for husbands and 29.7 for wives, and the average maternal age at first childbirth was 31.0. In modern Japan, marrying around 30 is not especially late.
A Japanese panel-data study found that divorce probability decreased as first-marriage age rose from the twenties into the thirties, with the lowest divorce probability around age 30 to 31.
In U.S. NSFG data, the probability that a first marriage remained intact after 15 years was 0.60 for both women and men who married at ages 20–24. In other words, roughly 40% were no longer intact within 15 years. This includes marital disruption such as separation and divorce, and it is U.S. data, not Japanese data. Still, it fits the idea that young marriages face later operating tests.
If someone marries at 22–24, then 15 years later they are around 37–39.
If they have children, those children may be in elementary or middle school.
That is exactly when a long-cooled marriage may become harder to hide behind childcare.
After childbirth, poor communication patterns can intensify
Postpartum life is a serious stress test.
Sleep deprivation.
Physical recovery.
Breastfeeding.
Childcare.
Isolation.
Work and income pressure.
Division of household labor.
Lack of appreciation.
Loss of free time.
If someone already struggles to express dissatisfaction during normal times, it is unrealistic to expect them to communicate perfectly under postpartum stress.
Benesse’s longitudinal survey found that before childbirth, 74.3% of both wives and husbands strongly felt that they truly loved their spouse. After childbirth, wives’ feeling of truly loving their husband fell to 45.5% when the child was age 0, 36.8% at age 1, and 34.0% at age 2. Husbands’ figures also fell, but more moderately, reaching 51.7% at child age 2.
This is not about blaming wives.
It shows how heavy postpartum life can be.
Love naturally moves toward the child.
That may be biologically normal.
But if the couple relationship is not maintained, it can cool down quickly.
Wanting children and becoming happier after children are not the same thing
Many people think:
- I want children.
- I want a family.
- I want a child with someone I love.
- Everyone around me is doing it.
- Marriage naturally leads to children.
But life after childbirth is different.
Children can be deeply loved.
At the same time, freedom decreases.
Time and affection shift toward the child.
Conversation and intimacy between partners may decline.
Unequal household labor becomes visible.
Sleep deprivation makes emotions harsher.
So two things can be true at once:
A person may love their child deeply.
Their couple satisfaction and personal freedom may still decline.
Wanting children is about desire, meaning, biology, and life image.
Maintaining a warm marriage after children is an operating system problem.
Mixing those up is dangerous.
Looks and chemistry are entry tickets, not maintenance systems
“Looks are enough” can feel true in early romance.
Looks help.
Chemistry helps.
Fun helps.
Popularity helps.
But marriage does not freeze people at age 22.
People age.
They become 25, 30, 35.
They become parents.
They lose sleep.
Work becomes heavier.
Parents age.
Bodies change.
At that stage, what matters is not only looks.
What matters is:
- Can they talk when upset?
- Can they discuss money?
- Can they share housework and childcare?
- Can they appreciate each other?
- Can they discuss intimacy and sexual differences?
- Can they handle reduced free time?
- Do they avoid retroactive blame?
Looks are an entry ticket.
Marriage is long-term maintenance.
Interdependence requires communication
Healthy interdependence is not just being comforted.
It means:
- Showing weakness
- Asking for help
- Not dumping all emotional responsibility onto the other person
- Sharing dissatisfaction early
- Giving the other person usable information
- Adjusting together
Someone who stores dissatisfaction until a major explosion may struggle with interdependence.
The other person cannot know what is wrong.
They cannot adjust.
They cannot feel safe moving forward.
A reliable partner is not someone with no negative feelings.
A reliable partner is someone who can express negative feelings before they become a crisis.
What to look for next
A good long-term partner does not need to be perfect.
But they should be able to do some of the following:
- Say small dislikes while they are still small
- Say “I need time to think”
- Avoid rewriting past consent
- Share anxiety as a conversation, not an attack
- Avoid using “everyone knows that” as pressure
- Stay in difficult conversations
- Discuss money, work, housework, children, intimacy, and personal space
A risky partner is someone who:
- Says “I’m fine” while hiding discomfort
- Shows pressure through mood instead of words
- Requires the other person to extract the truth
- Later says, “I was actually hurt”
- Turns later feelings into retroactive blame
- Explodes at major life stages
- Does not improve their own consent output
This is not about malice.
It is about compatibility.
Romance may begin with feelings.
Marriage survives through communication and agreement.
If “I’m fine” cannot be trusted, long-term security becomes very difficult.
References (7)
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- CDC/NCHS. First Marriages in the United States: Data From the 2006–2010 National Survey of Family Growth. National Health Statistics Reports No.49. https://www.cdc.gov/nchs/data/nhsr/nhsr049.pdf
- ベネッセ教育総合研究所. 「産後クライシス」で夫婦に何がおこる?! https://benesse.jp/berd/jisedai/topics/index_4398.html
- Lavner, J. A., Karney, B. R., & Bradbury, T. N. (2012). Do Cold Feet Warn of Trouble Ahead? Premarital Uncertainty and Four-Year Marital Outcomes. Journal of Family Psychology. https://pmc.ncbi.nlm.nih.gov/articles/PMC3525794/
- Mallory, A. B. (2021/2022). Dimensions of Couples’ Sexual Communication, Relationship Satisfaction, and Sexual Satisfaction: A Meta-Analysis. https://pmc.ncbi.nlm.nih.gov/articles/PMC9153093/
- Papp, L. M., Kouros, C. D., & Cummings, E. M. (2009). Demand-Withdraw Patterns in Marital Conflict in the Home. https://pmc.ncbi.nlm.nih.gov/articles/PMC3218801/
- 佐藤一磨. 何歳で結婚すると離婚しにくいのか. 慶應義塾大学パネルデータ設計・解析センター. https://www.pdrc.keio.ac.jp/publications/dp/4391/
