Its pretty easy for wimmin to get restraining orders against Men now-a-days, and if he violates it he goes to jail.
That sort of behavior is not necessarily a mental illness even though he needs some sort of therapy.
Those with untreated schizophrenia for example hear voices, see things, believe the end of the world is near, believe that they are Satan and or God, think that others especially doctors want to kill them or remove their brains, that others are possessed by Satan,..... I have known more than one in my life and its not pretty.
Well, I certainly qualify on that count as do many other conservative Christians.