So what you're saying is that eating, building shelter and surviving all takes a back seat to sex? That's a pretty shallow life you lead if it just revolves around sex.
Just because to failed to understand what I said. The p**is already has a skin, the foreskin is an extra skin. The brain, heart, lungs and other organs are also protected by skin and bones. There is no additional layer of skin to protect them.
I just look it up on a Jewish website to see if they said anything about it being a sin. It said that for Jews, dating back to Abraham, God told Abraham that he and all males in his family and employed or enslaved to him must be circumcised as a sign of a covenant with God. Abraham was 99 years old when he received this commandment and when he circumcised himself. Ouch!!!
Hebrews who are not circumcised "have broken God's covenant". That may or may not be considered a sin, you would have to ask a Jew.
Christians are under no such obligation.