Dear Annie: My second husband and I were together for 20 years. I’ll call him “Dominic.” We met at a vulnerable time in my life, and he was the kindest man I ever met. Dominic wanted to get married immediately, but I was reluctant, as I’d just gotten out of a marriage with a cheater, liar and abuser. Dominic begged me. Eventually, I caved. We got married and had a child, my fifth. (I had four…