Who is Ross Wakeman from Second Glance: A Novel and what is their importance?

Ross Wakeman is the middle-aged man, who believed himself incapable of dying. He lost the love of his life after a car accident, and as a result, he was left with a lingering depression that led to multiple, unsuccessful suicide attempts. Ross also became a believer in the paranormal, determined to find proof of ghosts in the hopes that he would one day be reunited with Aimee on earth if he could not die and see her in the afterlife.