Light in Solitude:
But he got it now. He got what everyone was looking for. It wasn't for him to be happy, and he wasn't trying to be mean thinking about that. People wanted other people to fit into a nice, neat package with smartly tied bows that were the right color to match the wrapping paper. People wanted to be able to classify other people, and for them to behave according to code.
Light found his code.
His role is son, older brother, protector, student, genius, role model, kind, earnest. His role is to be perfect so they don't have to worry again, so they won't say he's abnormal, strange, worrisome (all whispered in the dark night across the kitchen table when they thought he was asleep).