Originally Posted by Che

Once I've written something, I feel like I'm allowed to forget it because at least it's somewhere. If I don't write it down, it's on my mind for weeks. I could have just written in it in a txt document, but I thought someone might like to read it.

Basically it's closure, which I think is a well known concept in psychology. If I check this site tomorrow though, you'll have a very good point.