Giovanni says he became “Goose Wayne Batman” about five months ago. He says he wears eye makeup, a mask, gloves and a belt and wanders the streets to find people who are breaking the law and tries to “bring them to justice.”

TELL DR. PHIL YOUR STORY: Know someone with outrageous behavior?

“Are you delusional? Do you suffer from a mental illness?” Dr. Phil asks “Goose” on Thursday’s episode.

“It’s very understandable that this seems like I’m mentally deluded, and I strongly oppose that view,” he says.

WATCH: 'My Fiancé Believes That He Is A Real-Life Superhero'

Dr. Phil explains to him what delusional disorder is and the difference between normal and abnormal behavior and says to him, “Doing this does interfere with pursuit of goals. It’s not getting you what you want in life. It seems to me like it’s pretty selfish.”

Does “Goose” think he’s being selfish? And, hear from his fiancée, Kalan, who says she doesn’t know what happened to her “normal” fiancé, and there’s no way she’s walking down the aisle to a masked man. What does she say about his behavior with her?

On Thursday, Dr. Phil offers this couple advice to help them have a successful future as a couple. Are they open to his suggestions? Check here to see where you can watch.

TELL DR. PHIL YOUR STORY: Nowhere to turn but Dr. Phil?

Man Says Adult Son Is 'Obsessed' With Being A Superhero: 'I Do Not Know What's Wrong With Him'