John Krasinski has always tried to keep it real. Sure, fans might know him as a date-worthy paper salesman, or a former Marine turned CIA agent, or a devoted family man sacrificing himself for love, but the actor, 45, prefers just being a husband and father who binges documentaries and relishes bedtime stories with his kids. Krasinski, who lives in Brooklyn with his wife of 14 years, actress Emily Blunt, 41, and their daughters Hazel, 10, and Violet, 8, recalls a moment a few years ago when he was walking his older daughter to school. “This guy went, ‘John? From The Office? Oh my God, it’s so good to see you!’ And he walked away,” says the actor. “And Hazel said, ‘So you work with that guy?’ I said, ‘No.’…