BY JENNY WILSON When you’re young, making friends is easy. You just walk up to a girl playing in the sandbox, plop down beside her, grab a shovel and say ‘hey, wanna be friends?’ and just like that, you’re friends for life. Doesn’t matter if you have anything in common at all, you just happened to be in the same sandbox at the same time. My best friend and I weren’t really given a choice in the matter of our relationship. Our mothers were best friends and therefore we thought we must be as well. We are different in almost every way imaginable, and if we had met today, we…