Ollie Queen, so self-absorbed and egotistical that he can find a way to make himself feel good about helping to make his teenage ward become a drug addict and then kicking him out so he'd have to quit cold turkey. Yeah!
At least Roy realizes and regularly acknowledges how important Dinah was to him during this time. (I've never been able to see that Hal did much other than dropping him off at Dinah's.)