Attempting to explain complex things about romantic and sexual relationships with the stupidest sexism imaginable!

These are majorly face-palm inducing:

1)

A study published in The Journal of Evolutionary Psychology claims that men perform oral sex on women in order to prevent infidelity:  http://www.huffingtonpost.com/2013/07/03/oral-sex_n_3542426.html?utm_hp_ref=mostpopular

2)

A skincare advertisement.