hahaha Dave I had the same thought.... I have long wondered about this, the thought which usually comes to mind is the experiments with rats, when there are too many rats in a cage, they start to tear each other apart. The responses to your comment prove your point.

My cousin who I grew up with has schizophrenia, and when he drank alcohol he would get paranoid and freak out.He even tried to kill himself when he was drinking. When he smoked weed, he would be calm and mellow.

Does psychological addiction mean you like to do something ? I am hooked on Pez!!!And cranberry sauce....
Someone said weed makes marriage tolerable...also working for a living!!