I grew up with two older brothers, each with their own way of moving through the world. I always wanted to emulate them in one way or another, and--as little sisters do--became a little tough girl.

As a teenager I like to think I exuded a rough and rebellious exterior and a deep belief that I didn't need anyone. I went through a phase of punching mailboxes and being angry at the world. I smoked cigarettes and hid shots of vodka in my Wendy's sprite cup. 

But I wasn't a "bad" kid--or all that tough. I was in show choir, got decent grades, and preferred to sleep in my own bed and write poetry in my journal instead of staying late at the party. I just surrounded myself with a bunch of guys and a few close girlfriends who knew me well enough to call me on my BS and hug me when I needed it most. I love them still.

Growing up without sisters, I navigated the world of girls differently. I always felt one degree off from my girlfriends, even if it was just a misperception. I just...