Christmas Carols for the Psychiatrically challenged:

Schizophrenia - Do You Hear What I Hear?

Multiple Personality - We Three Queens Disoriented Are

Dementia - I Think I'll Be Home For Christmas

Narcissistic - Hark the Herald Angels Sing (About Me)

Mania - Deck the Halls and Walls and House and Lawn

Personality Disorder - You Better Watch Out, I'm Gonna Cry, I'm gonna
Pout, then MAYBE I'll tell you why

Paranoia - Santa Claus is Coming to Get Me

Borderline Personality - Thoughts of Roasting in an Open Fire

Depression - Silent Anhedonia, Holy Anhedonia. All is Calm, All is Pretty
Lonely

Obsessive Compulsive - Jingle Bell, jingle bell, jingle bell rock, jingle
bell, jingle bell, jingle bell rock, jingle bell, jingle bell, jingle bell
rock, jingle bell, jingle bell, jingle bell rock.

Passive Aggressive - On the First Day of Christmas My Mother Gave to Me
(and then took it all away)