Early on in October my youngest sister turned 13 and it took me back to when I was 13. It's hard to believe that she is now beginning her teenager years. Time flies. I decided to write some advice that I wish I knew when it was my time but those are some of the cons of being the oldest. You go through the challenges, so the others don't have to. Sometimes. In any case here is some advice to my sister and anyone else who is on the cusp of their teenage years. 1. Know yourself Ok ok, you will not...