I have no idea why it’s out there, but I suppose abusing it a bit may help toughen it up enough to ensure you can still have children when an accident happens.

  • morrowind@lemmy.mlOP
    42·
    6 months ago

    I’m not saying cbt itself is evolution, I saying the kink for it evolved. So eg. some random freaks are into cbt - they end up with tougher balls and are less likely to lose their ability to have children due to some accident - they have a few more children on average and so on… until its a regular kink to protect men’s balls.