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The Science

What actually keeps relationships strong.

Every action inside YEW is grounded in published relationship research — not opinion, not folklore. Here's the evidence behind the app, in plain English.

86%

of lasting couples consistently responded to small bids for connection

83%

of wives with regular date nights reported being very happy in their marriage

weekly intimacy is the point where satisfaction plateaus — more isn't necessarily better

2016

study: everyday kindness beat grand romantic gestures for making partners feel loved

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Five things worth knowing

  1. 1
    Small, consistent gestures beat grand ones

    Relationship researchers consistently find that everyday responsiveness — noticing, acknowledging, showing up — predicts long-term satisfaction far more reliably than occasional big romantic moments.

  2. 2
    How you respond to small moments matters most

    The Gottman Institute's long-term studies found that couples who stay together consistently turn toward each other's small bids for attention — a comment, a sigh, a glance — while couples who later separate largely miss them.

  3. 3
    Feeling appreciated changes how couples handle conflict

    Research on gratitude in relationships found that partners who feel appreciated are more resilient to stress — their relationship satisfaction holds up even during difficult stretches.

  4. 4
    Kissing matters more than people assume

    Studies on long-term couples found kissing frequency was a stronger predictor of relationship satisfaction than intercourse frequency — and women in particular rated its importance highly, well beyond the early stages of a relationship.

  5. 5
    Intentional time together, on a regular rhythm, is protective

    Couples who make time for each other regularly — even briefly — report significantly higher marital happiness than those who don't, regardless of how elaborate that time together is.

Connection & Attention

The bids-for-connection research

Dr. John Gottman's decades-long studies of married couples identified a simple, repeatable pattern that separates couples who stay together from those who don't.

Gottman Institute — Longitudinal Marriage Study

Couples who remained together turned toward each other's small bids for connection 86% of the time. Couples who later divorced did so only 33% of the time.

A "bid" is any small attempt to connect — a comment, a question, a glance — and "turning toward" means responding to it, however briefly.
Rate of turning toward a partner's bid for connection
Stable couples
86%
Divorced couples
33%
Appreciation & Gratitude

Why "thank you" does more than it seems

Feeling appreciated changes how couples experience conflict and stress — not just how they feel day-to-day.

University of Illinois — Relationship Satisfaction Study

Individuals who feel appreciated by their partners report better-functioning, more resilient relationships. Even when negative communication increased, couples who felt appreciated didn't see the same decline in satisfaction as those who didn't.

Based on a study of 316 couples examining daily expressions of gratitude and their effect on relationship stability.
Touch & Intimacy

What the data says about touch

Two findings here consistently surprise people — including how little frequency actually matters past a certain point.

Sexual and Relationship Therapy — Kissing Research

Kissing frequency was found to be a stronger predictor of relationship and sexual satisfaction than intercourse frequency in established relationships. Women in particular rated its importance highly — not just early in a relationship, but throughout it.

14-Year Longitudinal Study — 2,400+ Married Couples

Relationship satisfaction increased with intimacy frequency up to about once per week — beyond that point, more frequency showed no measurable additional benefit.

The takeaway isn't "more is better" — it's that consistency matters more than volume.
Worth knowing

Popular frameworks like "love languages" are widely cited but haven't held up well under recent scrutiny. A 2023 review by relationship scientists found no reliable evidence that people have one dominant "love language," or that couples who share one report higher relationship quality. We don't build YEW's action library around it — we stick to what's actually been replicated.

Time Together

The case for date nights — even small ones

Intentional time together doesn't need to be expensive or elaborate to matter. The research points to consistency, not scale.

National Marriage Project

83% of wives who had regular date nights (once or twice a month) reported being very happy in their marriage, compared to 68% of wives who didn't.

Wives reporting being "very happy" in marriage
Regular date nights
83%
No regular date nights
68%

From the blog

View all articles →
Connection
What a "bid for connection" actually looks like day to day

Gottman's research sounds abstract until you see the real, small moments it's describing.

Touch
Why kissing matters more than researchers expected

A closer look at the study that found kissing outperforms intercourse frequency as a satisfaction predictor.

Time together
The 15-minute date night that still counts

What the research actually requires — and what it doesn't.

See it applied, not just explained.

YEW turns this research into one small action a day and a weekly checklist — so you don't have to read studies to benefit from them.

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