Make sure you never, never argue at night. You just lose a good night's sleep, and you can't settle anything until morning anyway.
Before I got through high school I had attended 22 different schools. In the time before I was well acquainted with the latest school, I would amuse myself by drawing and found that I was pretty good at it.
A positive attitude is not going to save you. What it's going to do is, everyday, between now and the day you die, whether that's a short time from now or a long time from now, that every day, you're going to actually live.