Anger Management (2003)

David Buznik (Adam Sandler) is a mild-mannered businessman whose life is turned upside down when he's wrongly accused of assault and sent to therapist Dr. Buddy Rydell (Jack Nicholson) for treatment. Buddy's a little 'unconventional' in his methods, but the sparks really begin to fly when he moves in to David's apartment and his life to help him conquer his rage once ...