should I quit poker.?...hand inside

***** Hand History for Game 2869066361 *****
$100 NL Texas Hold'em - Tuesday, November 01, 21:42:47 EDT 2005
Table Table 55000 (6 max) (No DP) (Real Money)
Seat 5 is the button
Total number of players : 6
Seat 2: tonyhawk559 ( $101.05 )
Seat 1: assaltator ( $77.16 )
Seat 4: hulklogan ( $204.72 )
Seat 3: DevilsFoe ( $110.55 )
Seat 5: stillaway ( $30.30 )
Seat 6: Sneiken ( $96.50 )
Sneiken posts small blind [$0.50].
assaltator posts big blind [$1].
** Dealing down cards **
Dealt to tonyhawk559 [ 2s 2c ]
tonyhawk559 calls [$1].
DevilsFoe folds.
hulklogan folds.
stillaway folds.
Sneiken calls [$0.50].
assaltator checks.
** Dealing Flop ** [ Jd, Kd, 2d ]
Sneiken checks.
assaltator bets [$1].
tonyhawk559 raises [$4.50].
Sneiken folds.
assaltator calls [$3.50].
** Dealing Turn ** [ 6h ]
>You have options at Table 36648 (6 max) Table!.
assaltator bets [$1].
tonyhawk559 raises [$13].
assaltator calls [$12].
** Dealing River ** [ Kc ]
assaltator is all-In.
tonyhawk559 calls [$58.66].
assaltator shows [ 6s, Kh ] a full house, Kings full of sixes.
tonyhawk559 shows [ 2s, 2c ] a full house, Twos full of kings.
assaltator wins $152.32 from the main pot with a full house, Kings full of sixes.

sorry converter was down...

what do you think? bad huh? i have just dropped down like 300 in an hour at 100nl 6max by putting in stack w/ overpair to TPTK and hands like this...

what should I do?