I figured he was doing this with air enough of the time to make this play profitable. In the event that he's actually got something, he'll likely fire again on the turn, so I used my position to save some money when he's serious.

When I try this bluff, if someone calls my 3-bet I almost always have to give them credit for something and shutdown. Especially someone with taggy stats. Maybe that's a mistake, but who says he THAT good that he won't make that mistake?

I see enough people playing a strong king like in my position for 'pot control'. Sure they should probably be charging, but it's a common enough mistake for this line to believably rep a king. It's a fairly big assumption that he's thinking I would have charged the flop with a big K.