Draco was a painful wound he didn't want to prod at just now, nor to let her poke at it.
"I saw some of what everyone was writing in Weasley's journal shortly before you took off. You used to have a thicker skin than that. Or did someone say other things besides?" he asked. "Your sisters are intelligent young women on their own right. If they want to know what happened, they can read for themselves. You're a prominent figure in history books, Bella."
As was he. You're a hero, Severus. Just not mine.
"I will tell you that Narcissa never turned her back on you - or at least not publicly - to the bitter end. What she may have thought privately is open to conjecture, but you were her sister and such things matter a great deal to her."