When people in stadiums do the Wave it's the group-mind collective organism spontaneously organizing itself to express an emotion pass time and reflect the joy of seeing the rhythms of many as one a visual rhyming or music in which everyone senses where the motion is going.
In the morning he was lying dead on one of the beds fully clothed. He was dead. I got the impression he wanted to go and I must have killed him. I can't remember strangling him. I just sat there shocked.