# Boundaries that change with life

> The agreements that work for you two now may not fit after a baby, a new job, a move or an illness, so it's worth checking in after big changes. With family, start as a team: agree what you want first, then share it kindly and specifically.

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- **Life keeps moving the goalposts:** a baby, a new job, a move or an illness can change what works for you two.
- **Check in after big changes,** not only when something has gone wrong.
- **A dip after a big change is common** and doesn't by itself mean something is wrong with you as a couple.
- **With family, be a team first:** agree between you before you raise anything with them.
- **Offer something specific,** such as a regular day to catch up, instead of only saying no.

## Why do boundaries need revisiting as life changes?

Because you two live in a context that keeps changing, and how a relationship feels partly reflects how well partners adjust to it [1]. An arrangement that suited your old life, such as who cooks, who answers the family group chat or how much time you spend with relatives, can quietly stop fitting.

Some changes are big. Becoming parents tends to bring a small average dip in relationship satisfaction [2], though childless newlyweds show a similar dip, so part of it may simply be the early years of a relationship [2]. Reactions vary a lot: some people's relationships get better after a baby [3]. Some issues also only appear once the change has happened. The most commonly reported conflict after a birth is how childcare is divided, which didn't exist before [3]. In different-sex dual-earner couples in the US, parenthood and work changes were linked with the female partner's share of housework [4]. Higher ongoing stress is linked with lower relationship quality [1].

Long-married couples facing a chronic illness tend to adapt their rituals rather than drop them, and for most, life as a couple can't go back to how it was [5]. If an illness or caring role is straining you both, support from professionals such as psychotherapists or social workers is recommended, ideally support that looks after the relationship as well as the patient [5].

So try this: after a big change, pick a calm moment and ask each other which arrangements still work and which don't. If you can, talk about who does what before the change arrives. No best check-in interval has been shown, so choose a rhythm that suits you.

## How do you set boundaries with family as a couple?

Start as a team. Being on the same page may help when you're handling in-law ties, which are often tricky [6]. Couples who see differently how close each partner is to the other's family are more likely to divorce later, so it's worth checking you both see it the same way [6]. That's a link, not proof that setting boundaries fixes anything.

A few things to try:

- **Agree one issue first.** Aim for a shared view on a single thing, not the whole family map [6].
- **Sort the changeable from the fixed.** Some things, like distance, are outside your control [6].
- **Look at your own habits too.** Tensions blamed on in-laws may partly reflect how you two communicate, and that can change [6].
- **Match the tone to the issue.** A direct conversation tends to suit a serious problem that can change; a gentler, more validating approach tends to suit minor or fixed ones [7].
- **Offer a specific alternative.** "I can't always reply during the week, can we check in on Sundays?" is clearer and kinder than a flat no [8]. Most families want to support you and may just need help seeing what that looks like now [8].

Who should speak to whose family isn't settled. Decide it together, and lean towards each of you talking to your own side if that feels natural.

> **Try this together:** Take 10 minutes. Each say, in a sentence, how close you feel to the other's family and one thing you'd like to change. Pick one issue, then agree on a specific alternative to offer, such as a regular day for a call.


## Common questions

### How often should we check in about our agreements?

No best interval has been shown. Many couples find it helps to check in after any big change, such as a baby, a move or a new job, plus a short, relaxed chat every so often. Keep it brief and calm, and ask which arrangements still work for you both.

### How do we raise changing an agreement without it turning into blame?

Choose a calm moment, not the middle of a row. Talk about the arrangement, not the person: "This setup isn't working for me now," rather than "you never do your share." Say what you'd like to try instead, ask what they think, and agree on one small change to test.

### What boundaries should we set when we have a baby?

Talk about who does what before the baby arrives if you can, because things like dividing childcare only show up once it's happened. Then decide together how you'll handle visitors and family advice. Expect to adjust things as you learn what works, and expect a few ups and downs.


## Sources

1. Understanding and Altering the Longitudinal Course of Intimate Partnerships. Ministry of Social Development https://www.msd.govt.nz/about-msd-and-our-work/publications-resources/journals-and-magazines/social-policy-journal/spj23/understanding-and-altering-the-longitudinal-course-of-intimate-partnerships-pages1-30.html
2. Changes in relationship satisfaction across the transition to parenthood: a meta-analysis. Mitnick, Heyman and Smith Slep · Journal of Family Psychology · 2009 https://doi.org/10.1037/a0017004
3. The effect of the transition to parenthood on relationship quality: an 8-year prospective study. Doss and others · Journal of Personality and Social Psychology · 2009 https://doi.org/10.1037/a0013969
4. Division of Labor Over the Life Course: Structural or Symbolic Pressures?. Tabor and others · Journal of Marriage and the Family · 2025 https://doi.org/10.1111/jomf.70023
5. Longing for normalcy in couple relationships: How chronic illness and care dependency change the relationship of long-married couples. Niedling and Hämel · Frontiers in Public Health · 2023 https://doi.org/10.3389/fpubh.2023.1117786
6. You Aren't as Close to my Family as You Think: Discordant Perceptions about In-laws and Risk of Divorce. Fiori and others · Research in Human Development · 2021 https://doi.org/10.1080/15427609.2021.1874792
7. What Type of Communication during Conflict is Beneficial for Intimate Relationships?. Overall and McNulty · Current Opinion in Psychology · 2017 https://doi.org/10.1016/j.copsyc.2016.03.002
8. The importance of setting boundaries with friends, house mates and family. News at Curtin · 2025 https://www.curtin.edu.au/news/oasis-news/the-importance-of-setting-boundaries-with-friends-roommates-and-family/

Source: https://coupletools.com/learn/boundaries-that-change-with-life
