"But then I thought, I have two children and my wife is ugly, so it would be hard for her to remarry."
"China miners 'survived on urine'. The Meng brothers took five days to dig themselves out of the pit."
The only problem with drinking urine is the salt content - usually around 3% compared to 1% for blood. If one dilutes it to 1% salt it's fine, except for the cultural problems. (Which in my case are considerable, and would change before I died of thirst.)
Arf