Previously: Gorgeous ex-boyfriends, the LA rental market, and auditions. What I've Learned: Men away from home at trade conventions...are awful. I thought about making that sentence less definitive, like saying "can be awful," but no. I said it right. They are awful. In college, I was a cocktail waitress at the Blue Max lounge in the basement of the Hyatt in Nashville, Tennessee. I thought nothing about applying for the job. I had been…