Let her deal with her own problems. I've tried to help her. Many people have. Not to sound callous, but she seems to have more guy problems than a ho worries about having STDs. Just sayin, no offense, but I give up helping her. Youre young, you've got a life, and I can't tell you exactly what you shod or shouldn't do because I've never met you or the boy.
So boobs are like sun. you can only take quick glances. So wear sunglasses and you can look until the world ends.