Draco truly starts growing up! And I think Andrew will help him the rest of the way. He and Snape could have a real future in this scenario! Snape surely didn't seem too upset by the idea -- he was desperate to see the rest of those fantasies.
"This is the last we will speak of it as long as you are a student at this school," Snape told him. "It would be inappropriate for us to continue this conversation."