Guy pounds a slender brunette with his massive cock

It seems the secret behind this girl's flat stomach has finally been cracked. Her guy packs such a long cock that every thrust works her core muscles from the inside out-giving her toned abs without ever hitting the gym. But in all honesty, it's much simpler than that: a long dick hits internal sweet spots that smaller ones just can't reach, and nothing keeps a woman slim quite like endless orgasms. After mind-blowing sex, chicks are just in a fantastic mood-they get active, love life, hit the gym, and thrive. And that right there is the secret to why well-fucked women look so damn good.