Most things break including hearts. The lessons of life amount not to wisdom but to scar tissue and callus.
Scar tissue is stronger than regular tissue. Realize the strength move on.
Traditional academic science describes human beings as highly developed animals and biological thinking machines. We appear to be Newtonian objects made of atoms molecules cells tissues and organs.
Most medical physicists work in the physics of radiation oncology making sure that the desired dose is given to the cancer and the dose to normal tissues are minimized.
In fact when you combine stem cell technology with the technology known as tissue engineering you can actually grow up entire organs so as you suggest that sometime in the future you get in an auto accident and lose your kidney we'd simply take a few skin cells and grow you up a new kidney. In fact this has already been done.
Life is the only real counselor wisdom unfiltered through personal experience does not become a part of the moral tissue.
Experience is never limited and it is never complete it is an immense sensibility a kind of huge spider-web of the finest silken threads suspended in the chamber of consciousness and catching every air-borne particle in its tissue.
Toxins love to get you while you're young. Lead mercury secondhand smoke and sundry other environmental nasties do a lot more damage when tissue is immature vulnerable and growing than when it's mature and comparatively fixed.
I did this Super-8 film at art school called 'Tissues ' this black comedy about a family whose father has been arrested for child molestation. I was absolutely thrilled by every inch of it and would throw my projector in the back of my car and show it to anybody who would watch it.
Our growing softness our increasing lack of physical fitness is a menace to our security.