[bodie]

"For those players who can give up 2-3 buy-ins, then stand up and leave, what concepts or modes of thinking do you engage in when leaving? Is it just pure discipline to say "enough is enough"?"

I bring a certain amount with me (I only play live), which amounts to 4 buy-ins - and I don't really like to hit the bottom of that. So if I'm getting to the bottom of the third buy-in, I begin to feel annoyed that the day isn't going the best, to the point where it's easier to get up and leave. Often I'll end up getting some good pots before that happens and make back most of my original buy-ins (or even start making a profit), but I'll still usually leave when the downward spiral starts again (if it does) because I figure I've gone through the ups and downs for that session and I just feel "done".