Writer's Block: It wasn't me.

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Isn't that when you're supposed to do things you later regret? :) Seriously, yes like everybody else I've done things I regretted later. But no, I don't wish I could go back and redo any of them; I'll settle for trying to spot the next thing I might do that I would regret in time to avoid doing it.

BTW - why would learning from it necessarily preclude wishing for a redo?