It's also the optimal age to not have children! You're still figuring out your life, probably no stable partner or job, time to do some stuff you'll regret later, etc.
Yes, I was only speaking biologically.
"Figuring out your life" was not a thing when humans evolved.
Biological optimal vs societal optimal.
Yes, I was only speaking biologically.
"Figuring out your life" was not a thing when humans evolved.