Men, of all ages, universally, have been shown to consistently go for or desire women who are around 18-25, Why?

Countless data/evidence proves this to be a fact

Men of all ages, universally, gravitate towards women who are in their late teens to early/mid twenties.

Men gravitate towards women who are rather significantly younger than they are.
Men, of all ages, universally, have been shown to consistently go for or desire women who are around 18-25, Why?
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