Dear Annie: I am so sad for “Sad in Ohio,” the woman whose husband cheated on her. I too have a husband who cheated multiple times in our marriage. The last one was 12 years ago -- that I know of! I haven’t heard of any children from his affairs. And they were affairs, not onenight stands. These involved feelings. This hurt me so badly. We are both 68 now, and I have always thought I couldn’t…