Bastien could not understand what he had done to make his Colette displeased. He felt exposed and vulnerable letting a human have such power over him, but in truth, Colette held his unbeating heart in her tiny human hands. Something Jack had laughed at and mocked of course. He had never been so overjoyed to learn of his 'brothers' departure than he was in that moment.
When he heard the knock on the door, he almost shook his head in amusement. He knew it was Klaus being 'courteous', something he did not do for many people, but Klaus should know he was the one person on this earth who never had to knock. He'd always be welcome no matter what time of day it was.