I actually still do this to be honest. No one really knows about it, because I keep silent about it. For me it's very complicated, or more compounded. The first is because I act out my male role, the second is because I've never have a girlfriend in the natural world I always create one to play with or pretend I'm with someone I really wish I could be with. I live my daily life like this. When I'm done interacting with others and really to take off my mask I have time with myself. It's usually sexual, maybe I'm pretending I'm saving someone, or I act out what I see other couples go through with arguments and what not. I'm aware it isn't real. I can't really touch these people or items, but the mind is a powerful tool and it can sometimes feel very real.
I've had to become more conscious of where I do this as I've injured myself before. Pretending you're fighting isn't a smart move with you've got a lot of concrete edges near you lol. It's also triggered by the abuse I've had to suffer. It's an activity I can control, and like my dreams I like to just enjoy it. No one can take that from me. I'm thankful for that.
Is it healthy? I couldn't give you a set answer for that. All I know is if everything went wrong in my life, I never got a girlfriend ever, or just wanted to live alone, I would more than likely continue it. I can got back to "normal" for the rest of the world, but behind closed doors I control the rest.