You are cleaning blood, Just singing softly until you stopped. Wally would peak his head out from the corner. "Why'd you stop singin? I love hearing it Lovely Lamb~"

You get embarrassed, going to hide it you rub blood on your face and when you take your hand away. "Wash room is over there, go clean up Blood Orange~"

He'd then go back doing what he was doing before, only for his eyes to follow you with suspicion. He'd clench his butcher knife as he followed you quietly.