But these things aren't degrees of one another, they're totally different. Saying "we only ever eat meat, let's try eating an orange and see if we like it befo

But these things aren't degrees of one another, they're totally different. Saying "we only ever eat meat, let's try eating an orange and see if we like it before we eat any of this lettuce" doesn't follow any actual logic. You might hate lettuce, you might hate oranges, but there's no specific factor that binds them together. Also what sort of things would you factor into what you prefer? How important is each of them?