What Makes a Relationship Last Long Term: 12 Science-Backed Habits for 2026

Most of us have wondered, at some point, what makes a relationship last long term. Is it chemistry? Luck? Simply finding the right person at the right time? Research suggests it's none of those things — or at least, not only those things. Lasting love is built, day by day, through deliberate habits and conscious choices. The good news? You can start practising them right now.

Below, we've pulled together 12 science-backed habits that relationship researchers keep returning to. These aren't grand romantic gestures. They're the quiet, consistent behaviours that separate couples who thrive from those who drift apart.

Why the Foundation Matters More Than You Think

Before we get into the habits, it's worth acknowledging something: how to build a lasting relationship starts before you're even in one. The partner you choose, and the values you both bring to the table from the very beginning, shape everything that follows.

Imagine you've just matched with someone on a dating app. The conversation flows easily, they're funny, they ask good questions. But do they want the same things as you — in life, in a relationship, in the long run? That alignment isn't a romantic afterthought. It's the bedrock. Intentional dating — being clear about who you are and what you're genuinely looking for — dramatically increases your chances of ending up with someone whose habits and values complement your own.

With that in mind, here are the habits worth building.

12 Science-Backed Habits That Explain What Makes a Relationship Last Long Term

1. Practise active listening — not just waiting to talk

Psychologist John Gottman, whose research spans decades of studying couples, found that feeling truly heard is one of the strongest predictors of relationship satisfaction. Active listening means putting your phone down, making eye contact, and reflecting back what your partner has said — not just nodding while composing your reply.

2. Turn towards each other in small moments

Gottman's research also introduced the concept of "bids for connection" — the small, everyday moments when one partner reaches out emotionally. Couples who consistently "turn towards" these bids (rather than ignoring them) build a reservoir of goodwill that sustains them through harder times. It might be as simple as laughing at the same thing or acknowledging a comment about someone's day.

3. Maintain a five-to-one positivity ratio

One of the most cited findings in relationship science is the so-called Gottman ratio — the idea that stable couples have roughly five positive interactions for every negative one. Arguments are normal. It's the balance that matters. Make appreciation, humour, and affection your defaults, and conflict becomes far less corrosive.

4. Express gratitude explicitly and often

Research published in the journal Personal Relationships found that feeling appreciated by a partner is one of the key keys to a successful relationship. Don't assume your partner knows you're grateful — say it. Specifically. "I really appreciated you sorting dinner when I was swamped" lands very differently to a vague "thanks."

5. Keep growing individually, not just as a couple

Self-expansion theory in psychology suggests that people are attracted to relationships that help them grow and broaden their sense of self. Couples who encourage each other's individual goals — a new career move, a creative project, a fitness ambition — tend to report higher relationship satisfaction over time. Independence and intimacy aren't opposites; they feed each other.

6. Navigate conflict with curiosity, not contempt

Contempt — eye-rolling, dismissiveness, sarcasm used as a weapon — is one of the strongest predictors of relationship breakdown. The antidote is approaching disagreements with genuine curiosity about your partner's perspective. Ask questions. Assume positive intent. You're on the same team, even when it doesn't feel like it.

7. Prioritise physical affection beyond the bedroom

Non-sexual physical touch — holding hands, a hug when someone walks through the door, a hand on the shoulder — releases oxytocin, the bonding hormone. Couples who maintain regular, everyday physical affection consistently report feeling more connected and secure. It's a small habit with an outsized effect.

8. Create shared meaning and rituals

Long-term couples often develop a shared world — inside jokes, annual traditions, rituals around Sunday mornings or Friday nights. These seemingly minor things create a sense of "us" that becomes deeply stabilising. Actively building these rituals is one of the underrated relationship longevity tips that doesn't get nearly enough airtime.

9. Talk about your relationship openly and regularly

High-functioning couples don't wait for things to go wrong before having conversations about the relationship itself. They check in. They ask how the other person is feeling about things. It can feel awkward at first, but it normalises honesty and prevents small resentments from calcifying into bigger problems.

10. Be reliable — do what you say you'll do

Trust is built in the mundane. Picking up the thing you said you'd pick up. Being home when you said you would. Following through on the small commitments. These micro-moments of reliability compound into a deep sense of security — which is, arguably, the most important sign of a healthy long-term relationship.

11. Keep investing in fun and novelty

Routine is comforting, but novelty is energising. Research consistently shows that couples who try new experiences together — not just new restaurants, but genuinely unfamiliar activities — maintain higher levels of excitement and connection. Plan something neither of you has done before. It doesn't need to be extravagant.

12. Choose repair over winning

After conflict, the couples who last are the ones who prioritise reconnection over being right. A repair attempt — a joke to break the tension, a genuine apology, reaching out to touch someone's hand mid-argument — signals that the relationship matters more than the dispute. It's a habit, and like all habits, it gets easier with practice.

How to Make Love Last: It Starts With Who You Choose

Understanding what makes a relationship last long term is genuinely useful — but knowledge alone doesn't build a great relationship. Action does. And the very first action is being intentional about the person you choose to build with.

All the habits in the world work better when you're with someone who shares your values, communicates openly, and is genuinely ready for something real. That's exactly the kind of connection how to make love last depends on — and it's what Veramore is designed to help you find.

If you're done with half-hearted swiping and ready to meet someone worth practising all of this with, join Veramore today. Thoughtful matchmaking for people who take love seriously — because you deserve a relationship that's actually built to last.