Though Christopher Waldrop was away at rehab and not allowed to come home, Jamie made a point of sitting next to one of his high school friends at the service, in an increasingly familiar role. She and a handful of other local moms were preparing to out themselves and their families, understanding, finally, that survival had to trump shame. Jamie pledged to help her son’s friend find a bed at a treatment facility the moment he was ready to go. “His parents were in total denial,” she said.