Nice!
I participated in a number (about 10) when I was in Costa Rica. It's a beautiful experience. You will sweat. OH Man the feeling of coming out of there! and jumping in a river! :lol:
It is similar in a few aspect to the psychedelic experience, I feel that I need to surrender completely. To the heat, smoke, sweat, etc. It's better to learn to welcome the experience instead of wishing it would be over! Because I have been uncomfortable before, never left prematurely though. It was tough when the lodge was VERY crowded.