Chris Brown is learning to manage his anger, and he's going to have to learn how to do so without the aid of marijuana ... much to his dismay. The 'Don't Judge Me' singer checked himself into anger management rehab, but not without a fight over the sticky icky.

TMZ reports that Breezy readily relinquished his cell phone and Internet access upon admitting himself into anger management rehab, but refused to give up his weed so easily.

Brown enrolled in the court-ordered, live-in anger management program in the wake of his recent assault charge, which occurred while he was still on probation from his infamous 2009 assault on then-girlfriend Rihanna. Sources say that Brown asked the staff if he could tote his weed along with him, claiming it was prescribed by a doctor to treat depression. When the staff denied the request, Brown became upset and griped that weed helps calm him down.

Perhaps that was the tantrum that led Brown to actually get kicked out of the facility before re-enrolling days later. In that case, the boy really needs to toke up a lot more ... or make sure his blunts aren't laced with bath salts.

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