Dear Annie: I’ll be married for 25 years this coming June, 30 years together. My husband is great, but he is not interested in sex anymore. He told me, “It’s just not important to me.” I’m in my mid-40s and am desperate for intimacy and affection. But aside from that, I enjoy my family dynamics. I don’t want to break that up for my own selfish needs. My kids would be sad. I have talked to my…