AceScot how about seeing if there is a support group you can join? You have Pych central and that gives you a place to vent but it helps even more if you can sit with others in person who understand and are working through this challenge too.
It’s a challenge when struggling with mental illness and not having others in your life be it family or spouse that can be understanding and supportive. That’s when it’s important to reach out to others that can be more supportive.