Sara pinched his arm where she held it and gave him a pointed look when he cast a frown at her. She raised and eyebrow then looked to Charlotte "You will have to forgive my brother Lady Charlotte, he likes to get informal at the most awkward times" She said then glanced back to him, a bit surprised at the light flush that stained his cheeks.
Sebastian flushed at his twin's words, only then realizing what he had done. "Yes, Lady Charlotte, my apologies if I slighted you. It was not intentional." He said then gave her a small bow even as he berated himself.