set odds are crazy good, in all situations. Only time i'd fold one is if there was an obvious made straight or flush. You're way more than 3-2 against a flush draw.

Your odds are roughly the same with both one pair or two pair - obviously 2 pair is a couple % better because you can make the full house. You're at 60-65% to win there. I think any flush draw has a 36% chance of completion, whether 3 are on the board or two are hole cards: you're gonna have 64% to win this the majority of the time. That's good for a push.