Maybe it is because of hands like this?
PokerStars 0.50/1.00 Hold'em (3 handed)
Hand History Converter Tool from
FlopTurnRiver.com (Format: 2+2 Forums)
Preflop: He-Man is Button with 7[img]/images/graemlins/club.gif[/img], 7[img]/images/graemlins/heart.gif[/img].
<font color="#CC3333">He-Man raises</font>, <font color="#CC3333">SB 3-bets</font>, <font color="#666666">
1 fold</font>, <font color="#CC3333">He-Man caps</font>, SB calls.
Flop: (9 SB) K[img]/images/graemlins/spade.gif[/img], 2[img]/images/graemlins/spade.gif[/img], 9[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
SB checks, <font color="#CC3333">He-Man bets</font>, <font color="#CC3333">SB raises</font>, He-Man calls.
Turn: (6.50 BB) A[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">SB bets</font>, He-Man calls.
River: (8.50 BB) 4[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">SB bets</font>, He-Man calls.
Final Pot: 10.50 BB
Results in white below: <font color="#FFFFFF">
He-Man has 7c 7h (one pair, sevens).
SB has 3h As (one pair, aces).
Outcome: SB wins 10.50 BB. </font>