Robbie was so verbally abusive, he was kicked out of group therapy at GreeneStone, where management had concerns he was still using drugs or alcohol:
http://www.thestar.com/news/canada/2014/07/08/rob_ford_disruptive_in_rehab_sources_say.html
http://www.thestar.com/news/canada/2014/07/08/rob_ford_disruptive_in_rehab_sources_say.html