Talking about sex with friends is a double-edged sword. On the one hand, being able to be open and honest about sex is critical to developing a healthy relationship with your sexuality. And sometimes you just need advice from your friends. On the other hand, your sex life is usually something you have in common with a partner a, and they don't get a say in what you reveal to your pals. When you think about one of your partners sharing information about you it makes you think twice about divulging all the juicy details to your friends, right?