The author, back right, with her friends while on spring break with their kids.Courtesy of Bethaney PhillipsEvery spring break, I travel with five of my friends and our kids for a quick getaway. This year, we rented a huge cabin in Branson, Missouri, and had a great time. The kids don't always get along, but we solve issues quickly, and split costs and chores.Every spring break, I travel with my two sons, five college friends, and all their kids…