This book is currently boosting my morale:

https://www.penguin.co.uk/books/453652/not-the-end-of-the-world-by-ritchie-hannah/9781529931242

“Und wenn du lange in Systemd blickst, blickt Systemd auch in dich hinein.”

The point is that after you’ve travelled yourself, you will no longer believe anyone who tries to tell you that people on the other side of the border are evil flesh eaters.

Maybe you wouldn’t have believed this before either, in which case travelling wasn’t as transformative for you as it has been for others, but that’s the primary reason.