When 4 bet/call on a paired board ...

What do you think when this happens?

I bought in with a 40BB short stack here just for the hell of it. This is my 2nd trip around the blinds.

UTG bought in for $10 and has only played 4 hands folding two flops.

MP1 bought in for $10 a few hands before I came in. Calls a lot of pre-flop raises and then folds if he misses.

SB bought in for $40 just 4 hands ago. Has seen some flops but no rivers.

PokerStars Pot-Limit Omaha High, $0.50 BB (8 handed) converter

saw flop|<font color="#C00000">saw showdown</font>

<font color="#C00000">MP1 ($12.55)</font>
MP2 ($19.50)
CO ($58.60)
Button ($27.60)
<font color="#C00000">SB ($37)</font>
BB ($49.50)
UTG ($9)
<font color="#C00000">Hero ($34.05)</font>

Preflop: Hero is UTG+1 with 5[img]/images/graemlins/heart.gif[/img], A[img]/images/graemlins/club.gif[/img], A[img]/images/graemlins/heart.gif[/img], K[img]/images/graemlins/heart.gif[/img].
UTG calls $0.50, Hero calls $0.50, MP1 calls $0.50, <font color="#666666">1 fold</font>, CO calls $0.50, Button calls $0.50, SB completes, BB checks.

Flop: ($3.50) 5[img]/images/graemlins/club.gif[/img], 5[img]/images/graemlins/spade.gif[/img], 7[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(7 players)</font>
SB checks, BB checks, <font color="#CC3333">UTG bets $1.5</font>, Hero calls $1.50, MP1 calls $1.50, CO folds, Button folds, SB calls $1.50, BB folds.

At the time I was thinking that I wanted to see how many were interested in the flop before I comitted anything significant to this pot.

Turn: ($9.50) K[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(4 players)</font>
SB checks, <font color="#CC3333">UTG bets $1.5</font>, Hero ...

I was totally confused about what was going on. I've never seen this much interest in a paired board on a real money table.