I love that evolutionary biology is gaining momentum because there are some mightily interesting scenarios that are way too PC to talk about without the biological frame of reference. And since PC is no issue here, and since evo. biology is on my side, lets dive right in.
For example, a girl is ready to give birth at puberty. Explain to me why this is biologically normal but is shrieked at like a farmer shrieks at a Salem witch. Puberty is a sign that a female is dropping eggs to make a baby. nothing more or less. Why would you rail against nature’s clear signal beacon? What kind of unnatural creep are you?
The motility of male sperm is no different between the age of male puberty and old age. The 18 year old banging his teacher has more biological effectiveness than a 40 year old virgin. Inversely, a seasoned man flirting with younger women can easily make younger men look like little boys. The whole point is that biological effectiveness for men is never easily defined. Its is young, old, up, down, left, right, backward, forward, inside, outside, high, low, stoned, drunk, and hypocritical.