Of course it is possible he has mental illness, as many others. It doesn’t mean it’s ok for him to behave inappropriately or that you have to put up with it. He feels anxious sometimes and had bouts of depression, as probably half of everyone I know. It doesn’t necessarily mean he has mental illness and surely doesn’t mean his behaviors is caused by that. It’s all about what you are willing to live with. Sure you could spend more years trying to change him. It might work or might not.

What attracted you to this man that you wanted to live with and have children with? I am sure he has some redeeming qualities but was it enough to tie yourself to him?