beyond logic

[Heist]

out of curiousity: what is it - what makes me calling that hand down? what pattern works on my subconsciousness. Bet sizes? Timing? Has anyone seen a similar pattern?
Villain is fish, semi-aggro.
Full Tilt No-Limit Hold'em, $1 BB (5 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

Hero ($102.80)
Button ($164.20)
SB ($49)
BB ($128.60)
UTG ($100)

Preflop: Hero is MP with 8[img]/images/graemlins/club.gif[/img], 8[img]/images/graemlins/heart.gif[/img].
<font color="#666666">1 fold</font>, <font color="#CC3333">Hero raises to $3.5</font>, Button calls $3.50, <font color="#666666">1 fold</font>, BB calls $2.50.

Flop: ($11) 6[img]/images/graemlins/diamond.gif[/img], 2[img]/images/graemlins/spade.gif[/img], A[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(3 players)</font>
BB checks, Hero checks, <font color="#CC3333">Button bets $5</font>, BB folds, Hero calls $5.

Turn: ($21) T[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
Hero checks, <font color="#CC3333">Button bets $12</font>, Hero calls $12.

River: ($45) 5[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
Hero checks, <font color="#CC3333">Button bets $26</font>, Hero calls $26

How would I break, how would I stop a working pattern? Should I stop?