"Gross," Kou agrees with Kira, shaking his head at Hamuko. "They should at least be a little more modest in public."

... Maybe his perspective is a bit colored from his experiences in life, but sue him. Seeing happy couples managed to sour his mood in the past, and nowadays, it only sours his mood more. Do these cognitions have to act like that? They're not even real people, and they don't have real emotions, either.

He wrinkles his nose, inhaling smoke.

"You two go in. I'm gonna finish..." he holds up his cigarette, "... this first."