Everyone remembers the mistakes they make that cost them money. They stick in your mind a lot longer than that great play you made to take down a big pot.
One of the worst feelings has to be realizing your mistake was getting into the game to begin with. Especially if it's a $2-$4 No Limit Hold 'Em with a few relative strangers.
That's exactly what Ugarte ran into, and he describes it all in brutal detail over at Rick's Cafe Americain. Check it out! (Permalink fixed)