1) Schizophrenia---- Do You Hear What I Hear, the Voices, the Voices?
2) Amnesia-- I Don't Remember If I'll be Home for Christmas
3) Narcissistic-- Hark the Herald Angels Sing About Me
4) Manic-- Deck The Halls And Walls And House And Lawn And Streets And
Stores And Office And Town And Cars And Buses And Trucks And Trees And Fire
Hydrants And...........
5) Multiple Personality Disorder----We Three Queens Disoriented Are
6) Paranoid---Santa Claus Is Coming To Get Us
7) Borderline Personality Disorder--- You Better Watch Out, You Better not
Shout, I'm Gonna Cry, and I'll not Tell You Why
8) Full Personality Disorder--- Thoughts of Roasting You On an Open Fire
9) Obsessive Compulsive Disorder---Jingle Bells, Jingle Bells Jingle Bells,
Jingle Bells, Jingle Bells, Jingle Bells, Jingle Bells, Jingle Bells, Jingle
Bells, Jingle Bells
10) Agoraphobia---I Heard the Bells on Christmas Day But Wouldn't Leave My
House
11) Senile Dementia---Walking In a Winter Wonderland Miles from My House in
My Slippers and Robe
12) Oppositional Defiant Disorder---I Saw Mommy Kissing Santa Claus So I
Burned Down the House
13) Social Anxiety Disorder---Have Yourself a Merry Little Christmas While I
Sit Here and Hyperventilate
14) Attention Deficit Disorder--We Wish You......Hey Look!! It's Snowing!!!
(Hey, I'm allowed! I work with these people!!! Some of them are patients of mine, too! 
)