[Nepeta's mouth quirks thoughtfully. she's still not really comfortable with the idea that humans won't help each other unless they're being paid, but now she's also trying to think of a way to describe moirallegiance]

It's kind of like that, except it's just one purrson and they don't do it beclaws anyone paid them to. They're your ofur half and they know you better than you know yourself, and they keep you grounded and from making big dumb mistakes.