Https://www.youtube.com/watch?v=mFnmosX-8-I The flow and viscosity of sperm increase as a result of its retention, that makes it far more effective at triggering ovulation. For all those looking to increase their masculinity and make additional powerful sperm, sperm retention is actually a good Resolution! Your browser isn’t supported any more. Update https://www.youtube.com/watch?v=mFnmosX-8-I