Sorry, I didn't realise that I sounded offensive. I grew up in a culture where depression is frowned upon and fighting spirit is encouraged. But living in a Western country made me to realise that there might be different attitude to depression as well.
I have had far more complicated and difficult life than my husband has had, yet, strangely, I suffer from depression less than he does. Maybe it's because of cultural attitudes, who knows.
It's been quite difficult for me to gasp and understand these controversies, but the psychologists and couple therapists explained that depression isn't about life events as much as it is about the inner state. It made me to understand depression better, but in a way I am still feeling puzzled. Why am I not as depressed as my husband is? Or maybe I am depressed, just in a different way? Maybe the anger and aggressiveness I have actually is depression? I will try to figure out later.

Yes, he has been seeing therapists many times and tried different meds. He isn't completely satisfied as he said to me that none of therapists have really helped him. His problem is that he is going to budget (council) psychologists and there isn't great deal of choice. Maybe in private sector would be different situation but we can't afford it.

Thanks for the tip.