WHAT DOES SCIENCE OF SEMEN RETENTION MEAN?

https://www.youtube.com/watch?v=mFnmosX-8-IYou'd be amazed to find out that lots of globe-class athletes observe this system when they are retaining semen.Semen retention is surely an aged exercise, and humankind continues to be doing it from the start of civilization. You would be surprised to find out semen retention was a very fashionable exerci