Its the worst feeling in poker, pushing all your chips in SURE you are way ahead and then watching them slide over the table!

This guy was put in the WA/WB situation by me last night. I was check, calling turn because I was in it first :P .....

PokerStars No-Limit Hold'em, $0.50 BB (6 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

Button ($24.35)
Hero ($128.15)
BB ($12.35)
UTG ($54.95)
MP ($45.70)
CO ($50)

Preflop: Hero is SB with 6, T. CO posts a blind of $0.50.
UTG calls $0.50, 1 fold, CO (poster) checks, 1 fold, Hero completes, BB checks.

Flop: ($2) 9, T, T (4 players)
Hero bets $1, BB folds, UTG raises to $2.5, CO calls $2.50, Hero calls $1.50.

Turn: ($9.50) 2 (3 players)
Hero checks, UTG checks, CO checks.

River: ($9.50) 6 (3 players)
Hero bets $3, UTG folds, CO raises to $6, Hero raises to $13, CO raises to $41, Hero raises to $79, CO calls $6 (All-In).

Final Pot: $135.50

Results in white below:
Hero has 6c Td (full house, tens full of sixes).
CO has 5h Ah (flush, ace high).
Outcome: Hero wins $135.50.

And here is a hand where a tightish player came back at me when table had tightened up ($1.5 was normally getting heads up or 2 players) and I was either wayyyyy ahead or probably pretty much drawing dead, I decided discretion to be the better part of valour.....

PokerStars No-Limit Hold'em, $0.50 BB (6 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

CO ($47)
Hero ($246.35)
SB ($48.30)
BB ($32.25)
UTG ($45.65)
MP ($16.45)

Preflop: Hero is Button with A, A.
UTG calls $0.50, 1 fold, CO calls $0.50, Hero raises to $1.5, 1 fold, BB calls $1, UTG calls $1, CO calls $1.

Flop: ($6.25) 9, T, J (4 players)
BB bets $2, UTG calls $2, CO folds, Hero raises to $6, BB raises to $12, UTG folds, Hero folds.

Final Pot: $26.25

Results in white below:
No showdown. BB wins $26.25.

Weak fold some may say but it's all read dependant in these situations, once you know how someone plays certain hands you can get more creative. Earlier same session another AA hand and I'd been watching this guy play TPGK's for a while....

PokerStars No-Limit Hold'em, $0.50 BB (6 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

MP ($113.50)
Hero ($189.40)
Button ($45.50)
SB ($30.45)
BB ($48.50)
UTG ($24.80)

Preflop: Hero is CO with A, A.
UTG calls $0.50, 1 fold, Hero raises to $1.5, 1 fold, SB calls $1.25, 1 fold, UTG folds.

Flop: ($4) T, J, 3 (2 players)
SB checks, Hero bets $3, SB raises to $10, Hero raises to $179.5, SB calls $18.95 (All-In).

Turn: ($212.45) 5 (2 players, 1 all-in)

River: ($212.45) Q (2 players, 1 all-in)

Final Pot: $212.45

Results in white below:
SB has Js Ah (one pair, jacks).
Hero has As Ad (one pair, aces).
Outcome: Hero wins $212.45.

Still these are stomach churning decisions very often and I definatly know what side it i'd rather be on!