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