The Chemistry Check · 2 minutes

You fell into autopilot. Here's the way back to each other.

Find out what's happening to the three systems behind your relationship: the Spark, the Glue and the Brake. Then get your first ten-minute move for tonight.

  • ✦8 quick questions
  • ✦Your couple's chemistry map
  • ✦One move you can try tonight
Start the Chemistry Check →

9:47 p.m.

Same couch. Different continents.

One of you is watching a stranger renovate a bathroom. The other is answering an email that could have waited. You love each other. You just stopped feeling like a couple. The quiz tells you which of three systems went quiet first.

Three systems run your evenings

The Spark · dopamine

Lives on new things and anticipation.

The Glue · oxytocin

Built by touch and trust.

The Brake · cortisol

Pressed by stress and mental load.

Some numbers worth knowing

21 years

Average marriage length of couples whose brains still lit up like new lovers in a 2012 scanner study.

4 in 10

Americans married 10+ years who said they were still “very intensely in love.”

20 seconds

The hug length used in a study that softened stress responses. The average hug lasts about 3.