Lily continues to probe the stranger about his earlier outburst, but her guesses are incorrect—he continues to surprise her. He, and whatever is bothering him, are more complex than she initially thinks. The man similarly underestimates the reason Lily has come to the rooftop, and she charms him, as well. It’s also important to note that the man lives in such an expensive building, which makes his wealth apparent. This, in comparison to Lily’s lower social status, informs their initial dynamic and impressions of the man.