Head in to ass
Modern womens daily priorities are at direct odds with her ancestral maternal imperatives. The man is excessively muscular and lean to an extent that can only be achieved with steroids (and we are not told about the steroids and growth hormones these models are taking). Modern social ideals will never give a modern Western women what she needs.
You may have never considered what our society presents to us as the male ideal. Consider verbally reprograming your new girlfriend to enable her to more easily rationalise and intellectualise her shift into a submissive role.