My own thinking is that he could have just been drunk. He went bust on a straight smaller than mine. The board was x-10-J-Q-K. He had a 9 and I had an Ace.

If he could see what was happening, he wouldn't have called when I shoved all-in on the river - or maybe he can't see hole cards but knows what is coming out on the board. He did limp in with 9h 6c to hit that straight ................. (nah, I think he was drunk really, makes you think though doesn't it?)