The truth about "balls"...should they really be a metaphor for strength???

So I am going to take a chance here and share a theory that I hold near and dear to my heart. This theory developed as a result of listening to the men around me frequently tell each other to "grow a set of balls"; not to mention the countless references in films, TV, etc. The way it happened was that I began to seriously wonder how strength and courage became equated with "balls". Growing up I was taught that the quickest, sure-fire way to get a man down was to kick him in the balls! This really began to make less and less sense the more that  I thought about it. By the age of five, I was well aware that if I were to even just graze a boy's balls, he would be doubled over in pain.Nope, balls equaling strength was not really sounding like an accurate equation.
I then began think about the numerous times I had heard men call each other a "p*#@y " when referring to a man who had committed an act of weakness and cowardice. I began to wonder about myself and my strength; about the differences between a woman's body and a man's. How was it that the vagina came to be equated with weakness and cowardice? I am a mother of 3, so when exploring my feelings regarding this body part of mine, the experience of giving birth to a child is something that immediately comes up. I was 14. I would have c-sections the next two times around, but I would never forget the way I feared I would be split open (I was sooo tiny) and then the ease in which my vagina was able to expand to deliver my first child. I didn't even tear! The more I thought about it, the more I realized what an amazing body part this was indeed. It could stretch and expand to deliver a baby and snap back into it's original shape. If I may be completely frank, it could take a beating like nobody's business and still maintain it's beauty and form.
 After thinking all of this through,  I concluded that the whole thing should indeed be switched. Vagina equaling strength sounds like a much more accurate equation. I can say with much certainty, that rather than aspiring to "grow some cojones", I now aspire to "grow into my vagina"; to be able to expand and be flexible in life, to be able to take in all life has to offer, beatings and all,and still maintain my original, beautiful form.