Double spew....
I think I was at a Dead concert, but I can't remember for sure...

Laughed until I cried one evening at a campsite out in Utah a long time ago. Some guy in the crowd there that night whose name I never knew or can't remember slowly sat up from his reclining position. He hadn't said a word in two hours and no could have guessed what might have been on his mind. He caught everyone's attention because he was crying. Huge tears just streaming.
Then in this sad and forsaken tremble of a voice he leaned over the fire and said "it's just so sad, I just had the best time I've ever had in my whole life, and I'm not going to remember any of it in the morning." Then he fell over and passed out.
Next morning; he was right too.