I have a bit of a problem

[HobomasterXXX]

Pot addiction is made up by the government, but heroin addiction is a real thing.

Just because you can't become chemically addicted to something doesn't mean it isn't habit forming to the point of developing into something indiscernable from an addiction.

[Archem]

Technically, through Pavlovian training, you can suffer withdrawal symptoms from something that doesn't naturally contain addictive substances.

[MissingName]

I would suggest he go see a therapist or something, at the very least.