I should have travelled MUCH, MUCH more while I was younger. My advice to a younger self would be to get a skill you can do anywhere, then bugger off and do it everywhere; you'll see the world while keeping yourself fed, clothed & sheltered.
I enjoy talking about many, many things, and I'll list a few here in no particular order. Please don't think that I am restricted to these matters alone. After all, There are more things in heaven and Earth, Horatio, Than are dreamt of in your philosophy.
Beer and brewing
Politics
Faith and religion
cooking and food
Technology and computer
Sailing and yachting