[The First Aria]

I hear after awhile they can retract fully in tothe body and the sack will continue to shrink as well. Just curious why it does that obviously estrogen but still fascinating how other areas of the body reacts

That is what I heard, but not sure if that applies to PM. I know some of the ingredients in PM can cause Testicle Shrinkage and make a person infertile. But as to the rest, I sure don't know.