[it's so . . . normal. He doesn't think he's done anything close to real babysitting in his life, as much as he jokes about watching them all in Alaric's place. Except maybe Stefan, when they were younger]

Nope, none of that has ever happened. We didn't exactly grow up with the rest of you - I think by time any of you were born, I'd been a vampire for over a hundred years. I forget the exact math. Stefan, too.

He met you when he decided going back to high school was a great idea.