Mark is a college student who engages in a secret behavior. during university football games, rubbing his body against that of an unsuspecting female sexually arouses him. this contact causes him to become sexually aroused but he typically ends the incident by saying, "excuse me." what behavior is mark most likely to be engaging in?

Mark is most likely to be engaging in frotteurism. This is a disorder characterized by deriving pleasure or gratification through rubbing, often the genitalia, against another non-consenting person. An individual who's engaged in frotteurism may rub against the clothes or sheer body parts of another person, this usually happens in a crowded area.