After nearly 60 years of being a parent, I’m pretty sure most dads would agree with this Father’s Day thought: Babies should come with an instruction manual. If not an actual manual, then at least a site online with a frequently-asked questions section to help a flailing dad figure out what his child wants and needs, from birth to adulthood. Being a father or mother doesn’t stop when the nest empties. The kids grow up and go off on their own, bu…