It seems that I am all about strolling down memory lane these days. I got a call from my old college roommate yesterday and it totally got me reminiscing.  And you know what? I figured out that I learned a very valuable lesson from her, albeit by mistake. A little back story: I was blessed to live with three amazing  gals in college and we did everything together.  It was the perfect arrangement. So one night, my roomies Katharine, Zoe, Jenny and I went to a party together.  It was the usual kind of party with the usual kind of…