I’m currently getting a masters degree in counseling.

She should get a new therapist. A therapist’s job is to help her with problems and then teach her how to help herself in the future. If she sees a psychiatrist, they should operate off of the medical model, which is solve the problem and then move to terminate the counseling relationship, and have her come back if something new crops up. It’s generally considered bad ethical practice to keep a client on the schedule for that long.

It happens a lot, my aunt has been seeing her counselor for seven years. That’s generally considered an ethical violation, particularly if they’re not helping as best they could because they know a patient will be a steady source if income.

I’d get your own counselor and address what you can on your end, and see someone separate for marriage counseling if she’ll agree to it. There are also sex therapists who specialize in this kind of stuff, and a general mental health therapist won’t usually have the training that a sex therapist would.