Well, it is only fair, after all. Besides, those random women he's occasionally picked up at the bar got to see this, why shouldn't someone he's actively known for years? Same situation, different context.

Spy holds up a finger and fishes keys from his pocket, unlocking his door and nodding towards it. "Would you like to come in?"

Okay, he's definitely teasing at this point, but if he can't have some fun with this, what's the point?