But how often do we actually hear the nitty-gritty details of how we might actually achieve those things? Bustle has enlisted Vanessa Marin, a licensed sex psychotherapist based in San Francisco, to help us out with the specifics. Q: I started dating someone new a few weeks ago, and things are going very well. I always struggle with when to sleep with someone new. How do you know you're ready? A: Sexual decision making is tricky for most of us.

There is no one definition of virginity. Others may define virginity as never engaging in vaginal penetration with a penis, despite having had other types of sex, including oral stimulation and anal penetration. Some people may no longer call themselves a virgin after engaging in anal penetration or penetration with a finger or sex toy. Others may reconsider their virginity status after receiving or giving oral stimulation. Oh, the hymen — the stuff of legend.

Back to Sexual health. Find out the things you need to ask yourself if you're thinking about having sex. Most people have sex for the first time when they're 16 or older, not before. If someone's boasting about having sex, it's possible they're pretending.