dissociative identity disorder (previously known as multiple personality disorder) is an effect of severe trauma during early childhood, usually extreme, repetitive physical, sexual, or emotional abuse.

i may refer my 'personalities' as alters or headmates(HM). if i type anything like /this/ it has something to do with my DID. if i am ever fronted(controlled) by a HM, they will have a initial or symbol to mark that it is them talking.