Maybe some here on CC are homophonic, or are afraid for some reason to let other know that they also masterbate. Most kids were raised to believe it was bad or wrong. Also they feel that someone else's penis might be bigger. That goes way back in time. When that is how woman would choose how to mate with way before marriage when the only thing that mattered was to have lots of kids because so many did not live past a few years.
I have been Bi since I was 10 and now I'm over 55. My who family has known for years including my ex wife and all the people I have dated. It is nothing to be ashamed of or afraid of. People used to think that you could get AIDS from just touching things.