Right, there was something at the heart of this wasn't there.

"There wasn't any reason for you to know Before, and after our return I..." Giles pauses, looking down at his hands. Watching the way his skin indents with soft press of nails, "I had grown unused to being referred to by anything other than my family name. I think I tried to use it for less than a month before someone asked if it was really necessary and I just... Stopped."

A long breath and he looks back up,

"I'm sorry, I should have told you sooner."