hold weed in too long?

[Reefer Rogue]

Yeah, while I can't recall the exact figures it only takes somethin like 4-5 secs for your lungs to absorb some 95% of the THC content.

Stay high.

QFT

I've read it from the words of Jack Herer, perhaps in his book.

Trust Jack, holding your hits for excessive amounts of time is only oxygen deprivation providing a placebo effect.