Late in the afternoon, there was a knock at the door to my apartment. My roommates, Matt and Simon, were both out of town for the weekend. Lounging in sweats, I headed to the front door unsure of who my surprise visitor could be. I was pleasantly surprised when I opened it to find Becca waiting excitedly outside. Beck, as I called her, was one of my best friends from college. Since our first meeting at a frat house freshm...