"Because Bellatrix wouldn't talk to me. She would simply try to kill me because that's what she likes to do." Andromeda threw her arms up in the air, done with this conversation. The wild look in her sister's eyes told her all she needed to know - she'd gone over the edge and there would be no talking any sense into her.
Holding her head up proudly, Andromeda look Naricssa dead in the eye. "This is my home, Narcissa. And I owe you nothing other than the apology I already gave you."
She narrowed her eyes, showing no fear. Andromeda would not back down, not to anyone. "Now put the wand down."