I’m not sure what set it off but I’m thinking about the many, many times that Moms (and a few Dads) have shared this guilty confession with me: “I can’t wait for school vacation to end.” Family members, friends, neighbors and many, many clients. Strangers in the grocery store and the airport. People tell me things. Parents who feel overwhelmed by school vacation have a lot in common. They often think they’re alone with that thought; many of them feel guilty for even having it. I…