Three months before the trip, I pitched Costa Rica over my mother’s meatloaf as if I were presenting a deal: one week, one villa, one shot at being a normal family. I booked the flights with miles, put a hefty deposit on a three-bedroom at the resort, added everyone’s names, and filled a color-coded Google Doc with snorkeling, zipline, and a couples’ spa for my parents. I told myself this time would be different. Two weeks later, my sister Amber upgraded her Facebook to in a relationship with Tr