I really thought this guy had something like TT-KK with a heart and cannot call this river bet. What do you think?
Opponent is a decent, winning player.
I limp UTG with
![The Seven of Hearts [7h]](https://www.pofex.com/images/smilies/7h.gif)
FLOP $31
![The Eight of Hearts [8h]](https://www.pofex.com/images/smilies/8h.gif)
I bet $25. He calls.
TURN $81
![The Eight of Hearts [8h]](https://www.pofex.com/images/smilies/8h.gif)
I bet $50. He calls.
RIVER $181
![The Eight of Hearts [8h]](https://www.pofex.com/images/smilies/8h.gif)
I bet my last $81.
Results later.
Thoughts??