Problogger asks: What makes you unsubscribe from a blog’s RSS feed?

There is some interesting insight in the comments. I have tried to compile a summary of the comments so far. (I’ve stared my peeves)
17 - Too many posts
12 - Topics not focused or changes topics too often
10 - Not enough posts
10 - Not full text feeds (*)
9 - Repeated stories or unoriginal (*)
6 - Reader not interested
6 - Too long of stories or bad post layout
4 - Negative stories or attitude
4 - Too much self promotion
4 - Low quality of posts
3 - Story keep reappearing (usually frequent editing) (*)

I find it funny that not enough and too many posts were in the top three answers.