Doc ducks his head as his eyes catch the note.

He smirks. He does not laugh.

But he sure looks awfully smug.

"Thank you, Lady Bar," Doc replies, parroting the words back, though his eyes are on Katherine. "I'd be worried for her...well hell, I'd be worried for her regardless, but I never doubted you one second."

And then he starts in on his bacon.

"I take better care of them horses 'cause that's my purpose," he continues, quietly. "I owe it them to treat them right."