Lasting Couples Are Super Great at Two Things: Talking and Screwing
Quick, dim the lights: A large-scale study of sexual satisfaction and overall happiness in long-term couples found that the happiest couples do two things better than you: fuck and talk (about fucking). They also do lots of different sex moves, including oral, and give each other orgasms. And when these things are standard in the relationship, people report greater happiness over the long haul, even after getting totally used to each other.