Grandmother, Too

I read on here about a mother discovering that her son was having a sexual affair with his grandmother and how she was shocked. Two years ago the same thing happened to me, and I was just as shocked that my son was having sex with my mother. I couldn’t believe it. It was difficult for me to think of my mom as being sexual and having a sexual appetite, which apparently she does. Naturally I thought the worst, how this was i****t and how terrible and how wrong this was.
Then when I calmed down I started to view the situation a little differently. My son was twenty years old, and maybe this was none of my business. So far as i****t, yes, but there was certainly no danger in my mom becoming pregnant with a love child. And I knew that my son and his grandmother had always been close, so if they felt like sharing that closeness through intercourse was it really all that shocking and terrible? I got to thinking that having any happiness in today’s world was something worth having, and who were they hurting?
So I have just accepted this as something between th two of them, and I am happy for them.