Narcissa nodded, though she wasn't sure she believed any of what he was saying. She felt that the only reason her secret had not been uncovered was because of timing. The Dark Lord was surely busy with His own agenda, which would not include someone like her. He had no reason to probe her sister's mind, for she was seemingly far too loyal to need anything of the sort. Severus had been on shaky ground, but with him having killed Dumbledore it seemed to solidify his place on their side of the situation. The Dark Lord was preoccupied, and she hoped He would remain that way.
"I was at my wit's end. I didn't know what else to do," she pleaded, feeling tears well up in her eyes as the desperate feelings she had back then began to resurface. That coupled with everything else she'd been repressing lately were all starting to get the better of her. It was all she could do not to fall apart. "Please, Lucius, please understand. You don't have to like what I did but please understand why I did it."