Help me, i'm Stupid!!

[Alporfavor]

Party Poker 0.50/1 Hold'em (7 handed) converter

Preflop: Hero is BB with 3[img]/images/graemlins/club.gif[/img], 4[img]/images/graemlins/heart.gif[/img].
UTG folds, MP1 calls, MP2 calls, CO folds, Button calls, SB completes, Hero checks.

Flop: (5 SB) 5[img]/images/graemlins/club.gif[/img], 6[img]/images/graemlins/diamond.gif[/img], 6[img]/images/graemlins/heart.gif[/img] <font color="blue">(5 players)</font>
SB checks, Hero bets, MP1 calls, MP2 calls, Button calls, SB calls.

Turn: (5 BB) A[img]/images/graemlins/spade.gif[/img] <font color="blue">(5 players)</font>
SB checks, Hero bets, MP1 calls, MP2 calls, Button folds, SB calls.

River: (9 BB) 7[img]/images/graemlins/diamond.gif[/img] <font color="blue">(4 players)</font>
SB checks, Hero bets, MP1 raises, MP2 calls, SB folds, Hero 3-bets, MP1 caps, MP2 calls, Hero calls.

Final Pot: 21 BB
<font color="#990066">Main Pot: 21 BB, between MP1, MP2 and Hero.</font> &gt; <font color="white">Pot won by MP1 (21 BB).</font>

Results in white below: <font color="white">
MP1 shows 8s 4c (straight, eight high).
MP2 shows Ah 5s (two pair, aces and sixes).
Hero shows 3c 4h (straight, seven high).
Outcome: MP1 wins 21 BB. </font>

Advice....