For obvious reasons. The pain, humiliation an fear also comes with loosing every control and responsabiliy and intense sexual exitment that she does not choose and wants but cannot be denied and can only be experienced again in scary and violent situations. Predators will find women like that: they smell the fear and exitement.
I am no cuck. BY ANY MEASURE. But I am of the sincere opinion that every girlfriend, fiance, or wife ought to serve her ALPHA Male husband in any way he desires. So long as she never lies or cheats. Life is way way too short to have hangups on anything. She serves him and he does as he like with other women and his baby as he pleases.