I think at some point other limitations come into play that prevent it being an arms race. It would be quite funny, but unfeasible, for most of the male's physi

I think at some point other limitations come into play that prevent it being an arms race. It would be quite funny, but unfeasible, for most of the male's physical development to go to their reproductive organs. At some point it would weigh you down, you wouldn't be able run fast and you'd get eaten...