>Well, AFAIK, this doesn't happen with most humans struggling with addiction to hard drugs. Addicts will neglect everything, namely social activities, in order to get what they need.<
Do you have any tangible data to support your claim?
We must have different dictionaries - to me tangible means perceptible by touch. But since language is defined by usage, I accept your broader definition.
Do you have any tangible data to support your claim?