Seriously, if people can make celibate vows on the surface and keep them, they can do it in space, especially if they are selfless enough to realize what they a

Seriously, if people can make celibate vows on the surface and keep them, they can do it in space, especially if they are selfless enough to realize what they are doing is to benefit their species; personal gratification being set aside. Monks can train themselves to be celibate, where sexual thoughts and feelings become superfluous and uninteresting, so why not astronauts? It's all about discipline. And there's always the option of having plenty of sex before going up and self-relief when you need it. If pleasure is more important to someone than advancing humanity, then by all means stay on the ground.