Birdgirl - thanks for putting that out in the open.

In my mind, cannabis addiction is like alcohol addiction - it can be partially physical, but it's also mental, and it's very uncommon compared to the generally moderate use that is accepted among the general population.

Responsible use is possible of a potentially addictive drug (alcohol, cannabis, caffeine).

Responsible use is not possible of a definitely addictive drug (tobacco, meth, heroin).

I think it behoves us to pay attention to the side effects and potential downsides of cannabis use. While these things should not prevent its legalization, they are things we, as responsible users, must be vigilant of avoiding.