1) Lessen your smiles and laughter. This is the single most important step. Even before আপনি get to characteristics, remember: আপনি can laugh as much as আপনি want over a joke দ্বারা yourself in a quiet place, in your own mind, অথবা at home, but when a person tells আপনি a joke, অথবা something funny অথবা joyful, don't smile অথবা laugh. (Although, an evil smile can make আপনি look mysterious {like that pic} →) Be nice; express your emotions দ্বারা your words and not দ্বারা your facial expression.

2) Be classy. Ciel is an English noble, who must succumb to a higher standers of manners. Just keep it classy. "Please" and...