[She is silent, but nods her understanding.]

Loki, I will stay until I am healed. Perhaps...perhaps longer. I do not know.

I will stay as long as you do not ask me to.
[Sif could not find a way to express herself that was not a contradiction. Staying "for her health" when truly she did not know why she wished to stay. She did not want to know. She was lying to herself and bending the rules to their very edge.]