i dunno, but sometimes ill be looking around and have no idea whats going on or what im doing and i just like what the fuck? am i perma-stoned? i think i am cause i am sooo unaware of my surroundings sometimes.
You get happy when you're high because endorphins and dopamine.I doubt that people who are mentally handicapped have the receptors for those in good working order, or even working versions of those neuroreceptors.