Remember how you would have a last-minute drink date or go out for pizza at 2 a.m. when you first started dating? Well, bring some of that back. "People get so stuck in their routines, and in addition to kids, work, etc., these routines can get in the way of your relationship," says Laurie-Berzack. Switch it up. "Change your routines! Take up a new activity with your partner, whether that is running or playing tennis," she says.