Anal sex is different than "normal" sex. A girl can fake any emotion when taking a dick in her pussy. As any hooker will tall you, it's no big deal. But no girl can fake anything when she's getting a thick cock inserted into her ass. You see every emotion register on her face: shock, fear, pain, and finally pleasure. A girl will often gasp for breath when she accommodates a man anally, making the ultimate sacrifice for his pleasure. Giving up her dignity to make his orgasm more poignant. If you love anal, these girls are the best of the best in porn. Enjoy the filth, pilgrim.