Hello Allison: Thank you for bringing your concern here to PC. I'm sorry I cannot be of specific assistance with regard to your concerns. However I noticed this is your first post. So... welcome to Psych Central. One additional forum, here on PC, that may be of interest to you would be the Partners of People & Caregivers Forum. Here's a link:

https://psychcentralforums.com/partn...ivers-support/

Hopefully there will be other PC members who will be able to offer guidance with regard to what your partner is experiencing. In the meantime, though, here are links to 6 articles, from Psych Central's archives, on the subject of dissociative disorders:

In-Depth: Understanding Dissociative Disorders

The 3 Types of Dissociative Disorders | The Exhausted Woman

5 Dissociative Symptoms: Coping With Trauma | Caregivers, Family & Friends

How Childhood Trauma Teaches Us to Dissociate | The Psychology of Self

https://blogs.psychcentral.com/psych...tion-problems/

6 Warning Signs You Suffer From Depersonalization Disorder

I hope you find PC to be of benefit.