Let's assume you are interested in certain girl and discovered at some point that she had nude session for magazine, like Playboy.

What differentiates you from I?

I am defined by genetics and my experiences. Neither of which I had any part in affecting. Say I was born in your place and you were born in mine, how would we be different?

Given this piece of information and we have no role in deciding who we are how can free will exist?

This leads me to believe we are all one consciousnesses viewing itself subjectively.