Opp seems like a bad lagg (read: donk), both pre- and postflop.

Party Poker No-Limit Hold'em, $ Hero (5 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

SB ($19.38)
Hero ($99.50)
UTG ($97.81)
MP ($54)
Button ($92.82)

Preflop: Hero is BB with A, A. SB posts a blind of $0.50.
1 fold, MP calls $1, Button calls $1, SB (poster) completes, Hero raises to $4, MP folds, Button calls $4, SB folds.

Flop: ($12) 8, 6, 6 (2 players)
Hero bets $9, Button calls $9.

Turn: ($30) T (2 players)
Hero bets $22, Button calls $22.

River: ($74) T (2 players)
Hero checks, Button bets $31, Hero calls $31.

Final Pot: $136