Imaginary People in Our House

My DW has 3 people she talks to regularly. A man and two women. I’ve asked her if they’re bothering her or scaring her. She says no. I’ve offered to get rid of them for her if they’re bothering her, she laughs and says no. When I don’t pay her enough attention and she’s mad at me (paying bills, cooking, etc) sometimes “they” tell her she can “go down there” meaning to leave and go stay with her brother in Florida (we’re in California), so she will create piles of her clothes in preparation for packing. When I see the piles I let her know how sad I’d be if she left and she then says she won’t go anywhere, and we have a bonding moment. I’ve told her she’s in charge and doesn’t have to do anything she doesn’t want to do. She says she knows. But it didn’t start out this way. When they first started appearing I believe it really scared her and caused quite a bit of anxiety. I’ve learned it’s important to acknowledge what my DW is seeing, determine if they’re harmful to her in some way, and I’ve tried to make her comfortable telling me about them so I can monitor how it’s affecting her. Luckily so far it seems like they are friendly enough and they’re becoming part of the family. There was a period of time I was planning on testing her for uti, but since she’s able to share her interactions with them (and our caregiver) she’s much less anxious about them.