Sex/Questioning sexuality scene?

This is actually quite good. You show her disgust with men while doing it subtely enough to show that she is trying to like it. What i would do is expand on her trying her best to enjoy this. Add to her thoughts an open-ness to him..."Ok, it wasn't so bad. His lips weren't doing what they should, and his hands were kind of gropey, but his passion was admirable..." etc.