One sometimes says: 'He killed himself because he was bored with life.' One ought rather to say: 'He killed himself because he was bored by lack of life.' ↗
Your true traveller finds boredom rather agreeable than painful. It is the symbol of his liberty - his excessive freedom. He accepts his boredom, when it comes, not merely philosophically, but almost with pleasure. ↗
Sometimes the eye gets so accustomed that if you don't have a change, you're bored. It's the same with fashion, you know. And that, I suppose, is what style is about. ↗