But not everyone's keen. 'From an outsider's perspective it's really boring, it makes people overly intense, and their breath smells really unpleasantly chemically,' says a non-user. The drug is also known for its terrible comedowns, our 24-year-old meow man says he once spent 'hours and hours lying in bed with my heart pounding out of my chest, just watching the clock tick round and round, totally unable to sleep and feeling shaky and nauseous. It was horrible.' Another erstwhile user admits to being violently sick for 24 hours. Who knows what other pharmaceutical trends the next decade will throw up, but perhaps it would be wise to feed the flowers, rather than your nose, with this one. LHJ