how many times do you lead with a flush draw, flush/gutshot or any pair here into the preflop raisor?

The only thing i see here is that opp read you for a set and knew he couldnt bloat the pot on the flop as you'd probably get it all in so he called on the flop and went at a big bluff on the turn perhaps with a flush draw or something else because he thought you might fold bottom set if you know he doesnt spew postflop.
Having said that it could just be simple set over set and the way players play is more importnat than the actual cards. Eg. If you cant beat his push range here you dont call, simple as...