That’s because of endorphine release at a certain point when engaging in activities like dancing or running. Endorphins (endo-, produced by the body, -phine, m

That’s because of endorphine release at a certain point when engaging in activities like dancing or running. Endorphins (endo-, produced by the body, -phine, morphine) have identical effects to these of morphine — they just don’t eventually cause withdrawal effects. We have a nice list about the subjective effects here: https://psychonautwiki.org/wiki/Morphine#Subjective_effects https://psychonautwiki.org/wiki/Morphine#Subjective_effects :)