In my last year of college, my dorm roommate, Paul, had to move out because of the new job opportunity he just received. I was excited for him, we were like brothers. However, I couldn’t forget about the fact that the dorm had a lovely policy: when someone leaves, a random person comes (unless you already know someone that wants to come and replace him, which was not the case) When the time came, we hugged, drank our last...