You all almost have the point ................
Scientifically, your urine is created when blood is filtrated by the kidney's. Urine is 95% water, aside from water, urine contains an assortment of inorganic salts and organic compounds, including proteins, hormones, and a wide range of metabolites.
"I train with a piece of wood (width 10cm, length: 1.30m) for about 400, 500 hits a day at each side. " This is obviously to insure a proper mixture!
You know the secret now.... Now you just need to have a 3 foot wood to complete the formula!