you'll know ur inhaling when your throat burns like hell and u keep spitting..at least thats what happens to me..sometimes i throw up....i know im for sure getting stoned when i throw up..ahh..i can feel it now..gonna get stone tomorrow morning before skool...i have an appointment with my friend who lives right off campus..8 oclock she said...i was like ill be there! i wanna be blazing when i go to psychology at 9..