i think you can build tolorence, but i also think alot of that is phycosematic and all in your head. My freind swears she doesn't get high off of one blunt anymore, i think she's been telling herself that so long that she accualy doesn't get high from one blunt. on the other hand i havn't been smoking, and when i do toke even shitty weed gets me rocked. :rasta: