Would it be wrong of me to demand he cut off contact?

Ok, so drama drama. Left my partner to get some space and think things through. He before got mentally ill, jealous, we have tried to get through. He has mainly focus his energy on us and as things were looking up we got to socialize more but he has said no when suggesting increasing it, says he only wants to be with me. These people have no. mental illness. Just recently I found out he has a female friend, she too with mental illness. And these two have connected. This he has energy for? When he talks of her he is invested, give her advice. They stay in contact through social platforms now, she is the one making the contact, he replies. They have met, evolved what ever before irl, I've never met her.

He says he has done nothing wrong and apologize if this is triggering to me. I can't see anything flirting going on but he is sympathic, empathic to her.

I am effected as I remember stuff from the past. I know too of others who for instance got treatment and the policy was nobody was to hook up. They did. Left their partners. Fast forward: regrets, new split ups. The experts don't want hook ups becsuse they are vulnerable, partners waiting.

As I've left to get space he has gotten frantic, looks for me, but has now respected my wish to let me be, for now.

I've seen it happen in my own family, other that when it is so and so with themselves their relationship they connect with someone else, they're vulnerable to it.

I hate giving demand on who and not anyone should have in their lives but I am not comfortable with this. He has complained before I pull myself back, further out.

I am not sure of her too as she's not being her real self at the moment, don't know how impulsive she can be, what importance he has to her. What I do know is she is getting help, but still look for his support? More?

I can become estranged with someone in my life when they get mental, works both ways.

I can not compete with her, they can connect but I can't, this is my concern or jealousy

Would it be wrong of me to demand he cut off contact?
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