21 Things Every Teenager Needs to Know Coming Out of the Gate

We all need a little wisdom to get a head start in life.  When you're a teenager and getting ready to leave home to enter the real world, it can be a little scary.  You've probably heard people say, "Mistakes are life's biggest teachers."  But the reality is, some mistakes are so big we don't recover from them until it's too late.  We wrote this self-help guide to impart a little wisdom so you'll not only get a head start coming out of the gate, but also finish a winner.  Let's move...