It's the association with masculinity and strength

As for orgasmine it depends on the woman I believe 10% will never have a orgasm with penetrative sex

And women only 30% of time reach orgasm with penetration

Also heterosexual women tend to be attracted to men who are taller than them, have broad shoulders

And muscles due to it showing dedication and the ideal body type is the swimmers body

Not the body builder

Put simply women like masculinity and the dominance and security a man can provide

It's why the common plot of Romans novels and beauty and the beast is so appealing to women on average

On the social issues I do believe that modern dating can be traumatic because dating is dead which I already written an article on that topic

I may do an article not this Friday but the next on why women like Big penises or male genitalia

Depending on what is the most appropriate