...they discovered only a small asteroid inhabited by a solitary old man who claimed repeatedly that nothing was true, though he was later discovered… - Douglas Adams

This is rather as if you imagine a puddle waking up one morning and thinking, 'This is an interesting world I find myself in — an interesting hole I find myself in — fits me rather neatly, doesn't it? In fact it fits me staggeringly well, must have been made to have me in it!' This is such a powerful idea that as the sun rises in the sky and the air heats up and as, gradually, the puddle gets smaller and smaller, frantically hanging on to the notion that everything's going to be alright, because this world was meant to have him in it, was built to have him in it; so the moment he disappears catches him rather by surprise. I think this may be something we need to be on the watch out for.

She tried to worry that something terrible had happened to him, but didn't believe it for a moment. Nothing terrible ever happened to him, though she was beginning to think that it was time it damn well did. If nothing terrible happened to him soon maybe she'd do it herself. Now there was an idea.

# Anything that is in the world when you’re born is normal and ordinary and is just a natural part of the way the world works.