[ajmargarine]

Very possible he has 45 or 65 here. Plus, why is he overbetting the nut flush instead of a more realistic bet of say $20? That being said, I wouldn't like it, but I would still call.

I agree with Isura about passively playing draws like this. You can raise the flop with a flush draw and overs from the button when everyone has already shown you the strength of their hand. You ended up investing $7 anyways by the river, if you raise to $7 on the flop you maybe take it down right there, you hopefully knock out other draws, and get to the river likely for free as you can check behind on the turn.

Of course, itsy bitsy pot needs to be considered....I'm not sure I would play it differently than you did in the heat of the moment.