You walked into the living room, overhearing the conversation of the demon brothers while Asmodeus claimed Mammon was such a big baby he couldn't watch horror movies at all without bawling his eyes out or screaming. This made Mammon claim in a proud tone

"Ya dunno nothin'! I can definitely watch them horror movies no problem!"

You decide to challenge him. "Prove it."

An hour later, you're now about to start watching a scary movie. Mammon who sat next to you on the couch looked a little nervous and had a bead of sweat run down his forehead.