That makes it even worse! Frankly, I would have called the post office and told his supervisor. In my situation, the issue is manners and respect for my belongings, but in that case, he was not only stealing from them (since they paid for their water), but could have done damage to their property. Not cool.
I know all about the swallowing spiders in your sleep statistic. I'm sure that has nothing to do with why I sleep with my mouth closed