↓ Transcript
Rocky, sleepwalking, has climbed into bed with Ace, thinking him "Billy".

Ace: Rocky?

Rocky: *zzzz* Don't call me that, Billy.

Ace (thinking): Who's Billy? She must be sleepwalking.

Ace (more thinking): Is it OK to wake a sleepwalker or not? Don't want to traumatize her.

Ace (continuing to think): OK, the decent thing to do is to sleep on the sofa.

Ace (final thought on the subject): Except she's very strong...