If I ask you to clarify a specific bug. I don't mean clarify everything you told me but that one. Spend 15 minutes telling him that he couldn't log in because he used an invalid username, while he kept on circling back to all kinds of other problems but that one. It's way too early to deal with this kind of crap, he literally called me when I just opened my mailbox (which is the first thing I do at work).
Doesn't help that I'm really done with the dude anyway. Not entirely his fault though, but I might post that in another rant.