akward, the first time i got high off of smoking weed the effects lasted roughly three days
although thc metabolizes in the body after a few hours, another form of thc gets stuck in your fat for up to 45 days.... although this form supposedly can't get you high...
i think it has either something to do with a low tolerance, it might all be physcological (the human mind is a powerful thing)

i did hear of this one chick who was able to meditate herself back to stonedness from the night before....