"I bet," Olive says, quiet. It's not an empty statement; she believes Chris entirely. There's a degree to which what he says could just be sibling loyalty, but mostly, she just believes him, and it's just unfair. She doesn't need to know how old Peter was to know he was too young to go, that Chris was too young to have to deal with a loss like that. "If he was anything like you, I would've loved him."