How to Do It I wish there were another way. Photo illustration by Slate. Photo by LightFieldStudios/iStock/Getty Images Plus.  How to Do It is Slate’s sex advice column.  Have a question?  Send it to Stoya and Rich here.  It’s anonymous! Dear How to Do It, My husband and I are very much in love and have been married for 36 years. We’re both in our early 60s. Through reading many letters from others in this space, I’ve learned that I’m asexual. (For over 20 years of our marriage, sex was rare.) I love my husband intensely, and he is everything I could desire in a partner. He is incredibly loving, kind, generous, intelligent, successful, and I love his family, too. We have an incredible life together that we both want to keep. However, sex has always been an issue. When we were newly married, no one I knew talked about asexuality and I had no idea that my feelings about sex were different than most.…