How do you ever know for certain that you are doing the right thing? There is pride, too, though--pride that he has done it alone. That his daughter is so curious, so resilient. There is the humility of being a father to someone so powerful, as if he were only a narrow conduit for another, greater thing. That's how it feels right now, he thinks, kneeling beside her, rinsing her hair: as though his love for his daughter will outstrip the limits of his body.