"Girls don't do risky things"
https://en.wikipedia.org/wiki/List_of_people_who_have_gone_over_Niagara_Falls
Having successfully sent a cat over the falls in a barrel two days previously, Taylor survived going over the falls in an oak barrel as a stunt designed to help her financially. She exited the barrel bleeding but was not seriously injured.[1]
Dunia Sayegh, a 27-year-old resident of Toronto, dropped her two-month-old son Hesham over the railing and into the river just up from the brink of Horseshoe Falls, whereupon he was quickly swept over the falls. The boy's body was never found. Sayegh was arrested and charged with second-degree murder;[38][39][40] the charges were dismissed.[41]
Compare to men:
Delahanty, a baseball player who was later elected to the National Baseball Hall of Fame, was swept over the falls having fallen from the International Railway Bridge; he had been kicked off a night train for drunk and disorderly conduct and threatening passengers. Delahanty's body was later recovered near the Maid of the Mist's berth; his body was mangled and one leg was severed.[6]
I.e. high testosterone macho was kicked out of a train for being toxic.