[ He's being obvious about the effort to sit up straight in his seat and pull his arms back so his elbows aren't on the table. Act like she's very important and you shouldn't slouch around her. ]

How true. It sounds like you must've had to give a lot of fake smiles putting up with that particular family.

[ He flashes one, obviously fake. Then gives a real one ]

You're welcome, by the way. [ Since he did take care of them. More or less. Losing a child destroys most people. ]