I'm still on this listmania, you can tell. (I'm also on a mini-holiday this week and haven't time for a more considered post, so this will have to do.)
Here are some I haven't actually seen, but can't imagine why not since they're bound to be of use to somebody.
Can you come up with more?
10 things you should never feed a horse.
10 reasons he's cheating on you.
10 reasons why you never get put through immediately to Customer Services.
20 things to take on a day trip to Rattray.
5 ways to tell if he's cheating on you.
10 likely people he's cheating on you with.
Top ten reasons to lose weight
Thirty things to do with a broken down vacuum cleaner