that sinking feeling you guys were talking about.... that happened to me the first time i smoked a LOT of weed..........i was sitting cross legged on the floor and it felt like my legs werent even there.....then i saw a bicycle and a dog (retarded huh?) and i kept saying " a bicycle, a dog" and my friend was freakin out cuz i kept sayin it for about an hour straight...it fuckin rocked