There you are, tumbling through the front door with your date like a scene out of a romantic comedy. It's pretty obvious you're about to hook up for the first time , and you feel all types of ways. Of course. But you might also be worried about making some kind of "mistake. While not everyone gets nervous when they're with someone new, it is totally normal to feel a bit self-conscious or awkward, or to wonder what's "OK" and what isn't. As sex and relationship therapist Courtney Geter , LMFT, tells Bustle, "These feelings can be triggered by thoughts about your sexual performance , body image issues, and comparing yourself to this person's other partners or hookups.