I (loosely) compare myself to an arctic adventurer, who loves his home country but every now and again feels the need to head off somewhere completely different for a while, for a bit of life stimulation, but who is certainly not envious of a polar bear's lifestyle (albeit a lazy affair with plenty of fish to go round), who despite enjoying the experience regularly complains in his journal about the strange environment and frost bite, and thus has no wish to hang out in the arctic forever.