Talk to Psychiatry on Martial Issue

Aoa Is there any treatment for man to lower his sexual desire? Behind story : husband is very very abusive wants 5 or 6 times a day and is brutal mean while wife health is falling day by day she's weak and has no energy left married for 12 years 2 kids but since 1 year wife is tolerating and now she's begging him and his family but man won't stop he's made a drama out of it that's another story Therapy is not an option man is illetrate and he's just for the sake of his desire with wife Plz plz plz guide wife is becoming suicidal day by day Any medicine any thing? If said wife is ready to consult online but can't go in person but man can't since he's illetrate and extremely toxic ready to kill wife and children under name of this as he has contacts with some influencal people Plz guide JazakAllah