Villain is 37/4. However every time he has shown down in a big pot he seems to have a hand worthy.

PokerStars No-Limit Hold'em, $4.00 BB (7 handed) - Poker-Stars Converter Tool from FlopTurnRiver.com

saw flop | saw showdown

SB ($196.40)
BB ($417.95)
UTG ($190.60)
MP1 ($913.60)
Hero (MP2) ($511.95)
CO ($476.00)
Button ($813.75)

Preflop: Hero is MP2 with ,
1 fold, MP1 raises to $12.00, Hero calls $12.00, 4 folds

Flop: ($30.00) , , (2 players)
MP1 checks, Hero bets $16.00, MP1 calls $16.00

Turn: ($62.00) (2 players)
MP1 checks, Hero checks

River: ($62.00) (2 players)
MP1 bets $200.00, Hero ?