Do I have to pay for the chocolate on the hotel sheets?

Legal analysis: it belongs to improper use and needs to bear tort liability.

Legal basis: Article 165 of the Civil Code of People's Republic of China (PRC). If the actor infringes upon the civil rights and interests of others through fault, he shall bear the tort liability. If the actor is presumed to be at fault according to the law and cannot prove that he is not at fault, he shall bear tort liability.