"If he teased you about it, he was the older sibling," Tommy says. Experience. He knows the difference. Billy's always been the one that said it didn't matter. But yeah, the more she talks, the more it sounds like him. But he refuses to admit that. She'd know too much then. He doesn't want to think he has nothing new for her to learn.

But he dose seem a bit embarrassed by all of those positive comments about him.

"You don't know me. You can't be sure."