[winston2]

The typical use is to smoke the reefer until satisfied.(HiTech RedNeck)

Until over their growing tolerance levels and loaded.

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This is not true.

I know from personal experience of 34 years that one does not have a significant increased "tolerance level" of cannabis over time. I can have 3 or 4 hits of cannabis now and get the same level of high as 34 years ago.
Trust me - I tell the truth.

[HiTech RedNeck]

Opiates are notorious for this kind of tolerance response, but pot?

[Mojave]

Symptoms of Marijuana Addiction:

Marijuana tolerance:
Either need for markedly increased amounts of marijuana to achieve intoxication, or markedly diminished effect with continued use of the same amount of marijuana.

http://www.marijuanaaddiction.info/