why not tell him ahead of time you're going to weigh it since you odn't know him and trust him yet and that you're looking for a reliable and fair source......and with my long term use.....seems it just takes me more to get where i wanna be/ doesn't last as long and doesn't feel the same as when i frist started smoking...other than that everythings been downhill, more tollerant to the harshness outta certain utensils, don't cough hardly at all anymore unless it's like some damn good shyt and i take a hit that's way toooooo big...