It is great to be a grownup. Really. I wouldn't want to be fourteen again unless I could have a good look at what my future would be, because fourteen was just the worst year ever. But it got better. And sometimes I do wish I could let that geeky fourteen year old know just how much better it would get to be. A while ago, I either tweeted or posted to Facebook that if my fifteen-year-old self could know what my present day life was like, she'd say "way cool" (and, probably, "worth the...