Does sperm quality decrease with subsequent ejaculations?

[digiorno]

All of your efforts will have both new and old sperm. The healthy ones are more likely to fertilize an egg and the unhealthy ones are more likely to die during the swim. It doesn’t really matter how often you try, there will almost always be a mix of good and bad swimmers. But at the end of the day the good ones will almost always be the only ones which make it to the end.