I guess I do have a childlike sense of fun, and although I still have my dark days, I'm generally an optimistic person. The way things have gone in my life, sure, I could have been a bitter person. But I just find bitter people really un-fun, you know? And who wants to be that person?
I recently found out about this other super movie star. He only works from about 11:00 to 4:00, so all his movies take like 120 days. But this was a lot of stuff to do in 35 days.
If you really want to write, then shut yourself in a room, close the door, and WRITE. If you don't want to write, do something else. It's as simple as that.