Do what you like

Poerabsh

What you like can naturally be persisted, and what you don’t like won’t last long

NedGH

This is a good idea for anything in a serious relationship. But .. Some guys use phrases like this to make no effort. That yours will not leave you, will it? But this is a dangerous trap because nothing will come to empty space. Girls are more attentive. They at least read various tips on this topic  - https://chi-nese.com/top-5-positive-affirmations-for-success-and-confidence-in-personal-relationships/  Also, girls are more likely to compromise.