When he was three years old, his mother told him "Law, you're going to have a little sibling."
And when he tilted his head and asked what that meant in all its entirety, she had simply laughed and told him "It means you're going to become a big brother; it's the most important role you'll ever have. They'll look up to you, and it would be your job to teach them and protect them. Do you understand?"
He didn't. But as she held his hand against the curve of her belly and felt the faintest of kicks in response, he smiled up at her and told her he accepted the position.