Is this from personal experience ? You must have been lowered down by a hoist. I use my hands and like the feel of soft firm thighs as ear muffs. There is no way that the firm soft thighs of a twenty year old can be mistaken for the ... [I'm ready to hurl just trying to write this reply].Wear a blindfold, then it's just skin to skin with no visuals to interfere. Eating a 60 year old woman isn't any different because your face is buried deep and you can't see the difference.
I suggest deep hypnosis is the only way.