https://drmaxmccullen.co/2015/03/13/why-does-sex-exist
https://drmaxmccullen.co/2015/03/24/why-does-sex-exist-part-2/
https://drmaxmccullen.co/articles/human-sexuallity/spray-it-dont-say-it/
https://drmaxmccullen.co/articles/human-sexuallity/why-is-hot-hot/
https://drmaxmccullen.co/articles/human-sexuallity/is-that-all/
https://drmaxmccullen.co/articles/human-sexuallity/kama-sutra/
https://drmaxmccullen.co/articles/human-sexuallity/size-does-matter-breast-size-an-expose-part-2/