This sounds an awful lot like you're generalising from your experiences to other people's. I'm also in my mid 30s and I still find travelling eye opening in a

This sounds an awful lot like you're generalising from your experiences to other people's. I'm also in my mid 30s and I still find travelling eye opening in a way that books are not (and I do read a lot, including when I travel). And on my last trip I met a retired couple who spent three weeks traveling in their car and they told me they used to have a boat with which they'd sail around the world.