1. That boys will be okay with the fact that a girl tricks her older brother into having sex with her if there is a creepy-ass ghost lady haunting her bedroom.
2. How to make tranquilizer darts that will knock out a cougar.
3. That one should never feel safe in the assumption that there is only one cougar to tranquilize.
4. That Jodie Foster would make a way less cool nun than Whoopi Goldberg.
5. Pythagorean Theorem.