Is this from ADHD? It doesn't matter

A few days ago, my husband actually answered the phone. We talked about the divorce forms, which he might or might not sign and submit. (He said he would, but follow through is an issue; yes, that's from ADHD.) I'm not holding my breath. What took my breath away and left me in tears for much of the day was his tone of bewilderment when I said that my life is crushed. He said, "Why?" I tried to explain: the destruction of our marriage, which I tried so hard to save; and then when I finally decided to pull the plug, his efforts to obstruct the process. I don't think he was faking the bewilderment; he really doesn't understand my feelings of loss and mourning about the marriage. I think all the time about him and his depression, but he was surprised that I'm devastated.