He watches from the doorway, getting an abstracted smile from Daniel, a
'sir' from Carter that he silences before her mouth's finished shaping
the single syllable. They go back to work; he carries on watching.
Daniel's hands are careful without being cautious, turning the engraved
slab this way and that as Carter scans it, her eyes intent on a widget
that goes 'beep'.
Oh,
He chants it softly until they give him identical, indulgent grins.
"What? It's fun. You try."
They do.
That's even funnier.