Busting my a makes me feel good. Bulletproof, that's how Jenna Kassarian sees herself. It's all about control: As long as she works hard, nothing can hurt her. So Jenna constantly pushes -- for perfect grades, the ideal boyfriend, the best, best friend. The only problem is, she doesn't know if she can stop. If she relaxes even for a second, she's afraid she'll lose control completely. Then Jenna decides it's now or never. She goes to a party and has...