Don't be stupid. Use a condom. He doesn't love you, and he'll give you an STD.

 Don't fall for his sweet words. When he makes you feel alone in a room full of people, trust your gut and end it.

 Don't worry so much about what other people think about you. Some people are going to love you, some people are going to hate you, but what really matters is how you feel about you. Don't waste time trying to please people who are not worth your time.

 Don't get a tattoo. If you must, duck when the phone gets thrown at you from your mom.

 Don't cheat on him. Just. Don't.

 Stop hurting yourself. You're young, beautiful, and alive. Plus, its not worth holding your sobbing father in your arms when he finally sees the scars. Things turn around.

 It's okay for things to break that's why we have scotch tape and gorilla glue!

 Start a daily journal TODAY! Trust me, you'll be glad you did when you see how much faster you're growing because of it. No one has to see it but you, so write whatever you want. And don't worry if you miss some things. In ten years, the little day-to-day details won't matter.