Y/N and Aaron have been best friends since childhood. They grew up together, and have always been inseparable. Y/N is a nurse in the trauma department at Quantico General Hospital, while Aaron works at the BAU. Y/N is also friends with Aaron’s team. During one shift, Aaron is brought in by ambulance with a GSW. Y/N has to remain professional and perform CPR as he is rushed to surgery. Y/N is Aaron’s emergency contact and his power of attorney in emergencies. When Aaron doesn’t make it, Y/N has to plan his funeral, and make sure his Will is honored. In this story, Aaron is not married and does not have children.