Andy, we are just doting on our past, when sex was thrust upon us, like a weapon, with no sign of love or affection attached.
Spiritually, or medically, it is a way of keeping the body free of toxic things that can build up.

Womens' bodies do it normally in fertility.

There does not appear to be a reference directly in the Bible regarding mb.
God said. "Thou shalt not cast thy seed on stony ground".

That refers to a whole load of things, if you think about it, but it is not related to mb.

We need to go back and think about the little boy who suffered, and how he survived through all the extra challenges in life.
You and all of us, need to shake that little kid like mad, hug him, and say he is free of his past ["GUILT"!/]

Wot a Word, that is????

ste

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Whoever stole the Sun, put it back and we'll drop all the charges!