[Luxoris]

Yes, you made things much tougher with the flat call preflop. While you build a bigger pot with a PF raise, you also make a lot of flops that are scary (like this one, with no info) much more benign.

Hooks are especially vulnerable to a villain that is likely to be aggro, in this case because of his big chip lead. There is no such thing as a safe flop unless you make it expensive for him to get there.

If he's playing bully well, his strategy is to apply pressure but retreat in the face of opposition. Also, if he calls with a good but not great hand the PF raise can cause the pot to grow more slowly, because he has to be concerned with you check/raising.

any action you take at this point in the hand as played is a guess, so I would probably have to take the safe route and give it up.