Well according to a psychiatrist I spoke with personally a while back it is possible to have a 'mass psychosis' where two or more people experience the same symptoms as each other. I personally think...
it means you have a mental illness
Lilly Pharm. is giving one for Bipolor and Schizophrenics I believe.
Mentally ill or depressed patient?"
Ethan Watters on the Contagiousness of Mental Illness
Effective Help for Mental Illness
Defining Mental Illness
Recommendations for People with Mental Illness