There’s no exact formula for a great relationship. In fact, all relationships are made of two people from different backgrounds and experiences, who are doing their best to make it work. But some couples do it better — way better. “The happiest couples all have one thing in common: They understand that they each have faults,“ says Fran Walfish, PhD
, a relationship psychotherapist in Beverly Hills, CA, and co-host of Sexbox on WE TV. “But they don’t let their partner’s imperfections distract from the bigger picture.” The closest couples also have different quirks, practices, and rules that make their relationship rise above the rest. Click ahead to use their truths to make you and your partner closer than ever.