For all the people I’m about to piss off, I open this blog post with an apology. I’m sorry. With that out of the way, let’s get to our regularly scheduled blog.
One of my students asked an interesting question today and I thought I would share my answer with you.
She asked me what the evolutionary benefit of a male refractory period might be.
One theory is that the penis is a beast of a seminal fluid plunger - plunging other men's sperm out of the vagina, giving his own sperm a chance to survive and fertilize the egg. This plunger effect has been well demonstrated in lab studies.
We Suggest: