Such an underrated past-time! As someone who is also very contemplative, I think I enjoy walking so much because I can really ponder and appreciate my surroundings, but also all the thoughts that otherwise get a little lost during the day.
It seems like you have a lot of very interesting experience, and quite the way with words. Being young doesn't discredit your history - I'm quite intrigued by yours. I look forward to reading more from you!