"Christmas Songs for Shrinks" joke

Schizophrenia: Do You Hear What I Hear?
Multiple Personality: We Three Queens Disoriented Are.
Narcissism: Hark! The Herald Angels Sing About Me!
Dementia: I Think I'll Be Home for Christmas.
Paranoia: Santa Claus is Coming to Town to Get Me.
Mania: Deck the Halls and Walls and House and Lawn and Streets and Stores and Office and Town.
Depression: Silent Anhedonia, Holy Anhedonia, All is Flat, All is Lonely.
Personality Disorder: You Better Watch Out, I'm Going to Cry, I'm Going to Pout, then maybe I'll tell you why!
Obsessive Compulsive: Jingle Bell, Jingle Bell, Jingle Bell Rock, Jingle Bell Swing, Jingle Bell Swing, Jingle Bell, Jingle Bell, Jingle Bell Rock, Jingle Bell Rock, Jingle Bell Rock, Jingle Bell Rock, Jingle Bell Swing, Jingle Bell Swing, Jingle Bell, Jingle Bell, Jingle Bell Rock, Jingle Bell Rock, Jingle Bell Rock, Jingle Bell
Rock Suicidal: Thoughts of Roasting on an Open Fire Passive
Aggressive: On the First Day of Christmas My True Love Gave to Me (then took away).