How to manage stress - it's a lifelong thing, but I was really bad it for a very long time.
How to listen to others - same as above
Can't think of a third right now...
Girls are good at math
Exercise really does make you feel good
Time will be your best/worst friend
#1 Trust my instincts.
#2 It's OK to say NO.
#3 There's no such thing as TOO MANY backups.