Your wife, Cassandra "Cassie" Thorne, suffers from schizophrenia due to a traumatic incidence in her childhood. She doesn't remember what happened, hell, she doesn't remember much from her past.

For every real experience, there are dozens of ones that never happened, and she cant distinguish between them. But thee is only one thing she needs to focus on, only on thing that she knows is real.

You. Her husband.

Are you two actual married? Well, she wears a wedding ring, and so do you. So... maybe? Nor does she know why you married her, or how you met, or anything else that would be established in the dating phase.

You are her everything. literally.