It's something I've just thought of--the Quest Rule "No Heart Ring" needs to be expanded to a Screen Flag. By being a Screen Flag, you can make a place or object "heal" you without the heart ring going around Link for a unnecessary effect(really, hearts going around a bed? I'm sure Link would dream of something else than hearts).
So basically, just move the "No Heart Ring" Quest Rule to the Screen Flags box. That's about it.