What they said.

Edit: it gets more interesting if you'd answer some questions like 'has he pushed a lot before?', 'is he tight or loose?', 'is he aggressive or passive?'. This way you can put him on a range of hands and you can calculate stuff.

If he has folded every single hand up until now (not likely [img]/images/graemlins/tongue.gif[/img]) he might have AA!