"Huh!" Dennis considered this. "That sounds like fun! I bet it really annoys other people, though! I don't think I talk too much, but lots of people say I annoy them by doing so, especially if they are monsters or aliens or jailors of politicians from another planet, but I don't know how you're supposed to learn anything if you don't talk to people, and what's the point if you don't learn anything? Travel broadens the mind! But not literally," he added, in case this was the sort of thing that worried her, "just metaphorically! Your head will stay the same size, mostly! Have you met many monsters?"