Maybe it's because he's just so stressed that anything would be hilarious, but the offense in her voice has him burst out laughing and he almost trips over his own two feet as he enters the cookhouse himself. "Yeah, but ya can be a lot of things and not know a thing!" It's not recommended, but... "I just called it work!"

Giggling, he wipes at his eyes. "Well, I never claimed ta be the best butler."