Do girls really prefer above average penis? How to cope?

I always read from more sexually experienced women that have been with multiple men. The most common sentiment is that a guy around 7" (18cm) who knows what he is doing will objectively be the better experience.

I dont have any reason to doubt this but as a guy who is barely 5" (13cm) I cant help but feel hopeless. I feel that I will never be the best the she will ever have. No matter how much I improve my skills or other parts since I lack the sensation that a bigger penis will provide. How to cope with this fact?