Just tolerance, smaller people can't handle it at all, my buddies gf was totally sunken into a sofa of the tiniest hit, whereas he did numerous before he was remotely affected.
Same experience here. My bro is 200lbs. Remotely affected.
Disregarded the news of the spice deaths in Arizona.....
Tried it, m'bro tried it. Moved on. No big deal.
In the end, it's a passing thing. Can't replace the real.
If anyone wants to get high, they should smoke weed.