I think you can also use the word "selfish" to describe such behavior. We've all had at least one friend who ditches us when they jump into a relationship and come running back once that relationship has ended. One of my closest friends -- my wife and I have known him since high school -- falls into this category. I noted on the blog last year that he pulled a major disappearing act in the 8-month stretch he was with his then-girlfriend. One day, out of nowhere, I start receiving calls and invitations from him to hang out again. It's as if he had morphed from Mr. Indifferent to the clingiest person you'll ever meet. It took him awhile to come out and say that the relationship was officially done, but the fact he'd suddenly become so available again gave it away. He never gave specifics on why the relationship failed -- only saying that he broke up with her because he didn't want to hurt her. (We'll never really know who actually did the break...