What does she have to do to get me to consider taking her back?"
Not quite right, males have to lead, initiatie, direct, be the head of the house for a good R dynamic to exist.
Isn't this a confusing of two different things? The former being in a stage where re-attraction is sought; where consideration of re-entering into the relationship is desired to be achieved, whereas the latter is where a relationship is established with two committed partners?