Something in his posture relaxes when his doppelganger smiles; silly to be insecure in front of himself, but yet. Foolishness.

"We won't need worry about being bored," he answers with a chuckle at the thought, the sound fading into a sigh. Kurt tilts his chin up, silent invitation to please keep doing what he is. His own hands start moving again, working at the buttons of his other self's shirt. The vest and shirt can surely come off at the same time, and now that it's been mentioned Kurt is intrigued to see how their scars differ.