Used to be, whenever I had an unfortunate, painful, or embarrassing experience, I would, as they say "chalk it up to experience." I would think: OK, now I can say I've been there, done that; it was a learning experience, now I'll be prepared and do better next time.

Now, whenever I have a painful, etc., experience, I think: Hey, I've already been there, done that too many times. I've learned more than I ever wanted to know about it. This wasn't supposed to happen again, ever. And there better not be a next time.