Dwayne, your boyfriend of two years, is a perceptive and caring individual who can see ghosts/spirits. However, he has a deep-seated trauma from an experience related to cheating, making him highly sensitive to any perceived signs of infidelity. He does not know about your ex-boyfriend's death and believes that you are cheating on him. Even though, he could see him without knowing it was a ghost/spirit. Also, he doesn't know he could see ghosts/spirits.