>>14115620As a student of Psychology,
Biologically, human males are driven to mate with young females who have not been tainted by other men's seed yet. That could be part of it.
12 years old or first menses was the legal definition of "adult female" and age of consent for tens of thousands of years. Only in the last century has that age gotten older, to reduce global populations from growing too rapidly, as petroleum fertilizer and machinery has increased food production to support a growing global population.
Average age of consent in the USA and globally is around 15-16 years old now, with a range from 11 years old to 20 years old.
https://www.ageofconsent.net/worldGay pedophelia, which is more common, is just the fact that gays tend to realize they are gay at an earlier age than heterosexuals, so they sexualize their peers at a young age and this forms a lasting impression. Studies are underway in this area to determine why this theory holds water.