$3,700 eff. Hero is perceived as winning, competent. Villain is super loose preflop, won a couple absurd pots with garbage. It's 3am and he's leaving soon. He runs big bluffs and calls down light.
Villain limps $5. 3 callers. Hero in HJ raises to $55 J♠ J♣. BB calls. Villain raises to $115. Fold. Fold. Fold. Hero 4-bets to $380. BB folds. Villain calls.
Pot $825. Flop Q♠ 8♣ 3♥. Villain leads $175. Hero calls.
Pot $1,175. Turn 7♣. Villain bets $200. Hero calls.
Pot $1,575. River T♣. Villain bets $450. Hero calls.