Sex is better when you can think of more things to like about someone than things you don’t like. It helps if the things you like aren’t all superficial.

The less you talk, the more sex you will get.
Ryan, 30, as quoted in Glamour Magazine, 101 Ways to Have the Best Sex of Your Life

My grandmother told me, ‘He should love you more than you love him.’ Two years and a bad breakup later, I realized that dating someone I loved less was an exercise in mind-numbing boredom.
Ruthie, 31, ibid.