If you are dying of thirst, it is better to drink someone else's urine rather than your own because your body has already rejected yours.

Dan: bro why have you been staring into space for the last hour doing nothing?
Me: bro i have a chronic cringe from what happened earlier I can't concentrate

Is it necessary for me to drink my own urine? No, but it's sterile and I like the taste!

Urine urban dictionary looking at definitions of Urine

Urine trouble if you don't know what Urine is.

1. Bums drink this all night and day long.
2. "Tasty urine! One cup, 5 cent!"

especially the subways

1. Don't worry man, Urine!
2. Football player: I don't think i made the cut!
Coach: It's O.K. Urine!