Well I wouldn't discount #2 and 3. I wouldn't doubt parts of #4 are at play to. As for #1 don't think so. Regret is a powerful emotion and in times like this possibly an ally as well.
One other thing too, she's had a lot of time without ANY pressure from you and that has given her the time to think which can be a really good thing too.
So see where this goes.
If we really want to love, we must learn how to forgive. - Mother Theresa
