Wow, I thought the 3 on the flop was a heart. ... He didn't even have the low flush draw I thought he had ...

That's horrible, but sadly I've seen players like that before. I was on a table the other day, and one guy has like $15 left. I bet $3 preflop with QQ and he calls. The flop is like a rainbow J54, and I bet another $6 or so, and he shoves all in on me and I call. The turn is a K and the river is a rag, and it shows he had Q7 ...