‘He’s a fighter’: Mayich family opens up about son, brother Matthew

John and Christina Mayich have two requests. First, they want the world to learn more about their son, Matthew. “Matthew is a boy’s boy,” Christina said. “He’s a guy’s guy. He is a simple, simple guy who has an infectious smile. Anybody you talk to will tell you about his smile. He loves to fish. He fishes almost every day, every chance he can get. He loves his family. He likes to hang out at home. He doesn’t like to go out partying … he just likes to be with us. He loves his girlfriend, his siblings, funny guy, chirper.…