Between 75 and 80% of American adults admit to having at least a few vices, according to a new Yahoo/Fitness Magazine survey The most common naughty behaviors range from cheating- on their partners, their diets and their hairstylists- to lying to being rude to others.  Drinking too much is the number-one vice for men, while the most popular transgressions for women are food-related.  Both men and women copped to smoking cigarettes.  More than 30% of people said they often blow off going to the gym, and around 35% binge-eat while they’re on a diet.  While only less than 10% of men and women say they’ve been unfaithful to their partners, more than 20% of women aged 18 to 34 say they’d cheat with either Ryan Gosling or Ryan Reynolds if they had the chance.