if you subtract the sexual connotations and the knee-jerk revulsion of most you can research that there have been beneficial aspects to urine consumption.
urine is sterile and as such can be an effective aid in fighting fungus or ailments such as athletes foot
if you study survival techniques you learn that urine is and could be one's sole method of hydration in the absence of water.
if you've ever been asked to provide samples for medical tests such as sugar, a properly trained technician will direct you to release "first stream" (the first part of a urine stream contains most of the "toxins" the body is discarding) which is what should also be done whenever preparing to ingest.