[goofball]

you said yourself "he's a tight player"

so first, it's unlikely he had a flush since he would have called a backdoor flush draw on a paired board.
second, if he's a tight player he might not even bet a flush into a double paired board, he certainly wouldn't bet something less
third, you have the worst possible full house.
fourth, if you raise what do you expect to happen?

first of all you knock out the overcaller, second if he has less than a flush he probably folds, third if he has a 7 he 3bets you.

so if you raise, you might get 1 extra bb from the bettor when you are ahead and you will lose 2 when you are behind

if you call you might get an bet from the overcaller, so you might get 1 extra bb when you are ahead, and you will lose 1 bb when you are behind

i know you "have a freaking boat" but remember that doesn't really matter. all that matters is "is my hand better than my opponents" you don't get points fro having a boat if someone else has a bigger boat. a sense of entitlement is a very dangerous thing in poker