In the afternoon, Tiffany walked up to Riley and said, "Dr. Sinclair, I just arrived today and I'd like to invite everyone out for dinner tonight."

Riley stopped his work and looked at the sensible Tiffany, then glanced at the obviously antisocial Enzo. He smiled and said, "Dr. Olsen, I understand what you mean. But you've just arrived, how can we let you treat?"

With that, Riley stood up and announced on the spot, "We'll have a dinner party in the lab tonight to welcome our new ...