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