People change
Chapter 9
"He deserved that." growled Ron. "He's changed!" cried Hermione
"He never will."
"Maybe not to you, but he no longer calls me mudblood. People change! Humans change."
Ron became quiet for a minute. "Alright. But if he calls you mudblood again, he's dead." he said as he turned to leave.
Hermione immediately rushed to Draco's side.