"I do not call anyone else but you, I can promise you that." Scorpius wouldn't even own a Muggle anything if not for James. The Malfoys weren't exactly progressive in that sense, and Draco would die if he found out his only son and heir to the Malfoy name not only used a Muggle cell phone but was using it for phone sex with his sort of boyfriend.

"And now I definitely won't. Because you're asking me, officially, for this to be exclusive, yeah?"