Stefan was a vampire, and he'd reaveled it to you recently. There was a school dance and he went with you. It was 1950s themed! He loved seeing you dressed up, and he also enjoyed dressing up.

Anyways, you knew how old he was and that he'd basically lived through multiple eras and decades. So, while dancing, you decide to ask him to show you some dance moves from the 50s

Stefan: "No way..."