Almost all of us have either fed someone's fish too much food, let the dog roam the neighborhood unattended, or washed the cat with what you thought was shampoo but was actually bleach. But sometimes it's hard to fess up and admit to your mistakes, and so, behold, the pet-sitting confessional, where you can tell us about your mishaps (name optional) and read other people's stories, too. Hey, you never know. Maybe you won't feel so bad afterward ...