My older brother and I went running this morning in the frigid winter countryside. Just thinking about the mitochondria in my cells with their incessant task of taking in oxygen and providing energy was enough to take my breath away if my breath had not already been taken away :)
Did you know that you get a whole new body every 10 years from age 20 on? The problem is, each new body is like a picture that is copied: each time the image is less perfect than the one before. The fine hairs in the cochlea that sense sound can be damaged permanently, and like the cells of parts of your eye, are never replaced in your lifetime.
Treasure the sound of music, the smell of firs, the sight of a red clover field at its peak bloom, the taste of the year's first apples, and the feel of January's icy breeze.