Let me talk about a few other things, since we're on the issue.
I have a lot of nonbinary friends. One of my mates is nonbinary.
Your experiences, if you're not transgender or nonbinary, do not prepare you to understand it*. And that's ok! That's where empathy comes into play. If you're unwilling to trust others, unwilling to accept that there are perspectives that are not your own that are still valid, you will close yourself off from understanding the majority of the world around you. People will exist only as symbols in your head, and if they think or act in ways that you don't expect them to, you'll simply label them as crazy or otherwise defective and move on.
But your world will stay small. It might even grow smaller. And you'll miss out on amazing friendships, beautiful people, and relationships that could change your life for the better.
A little empathy and trust goes a long way.
* You can substitute 'gay,' 'straight,' 'black,' 'christian,' 'chinese,' 'muslim,' 'southern,' 'european,' or pretty much anything else for which you have no basis of experience.