Abraham's co-creator concept goes like this. You create your own reality entirely with your own thoughts. But then so does everyone else. No one enters your reality unless you have attracted him into it; and you enter no one's reality unless he has attracted you there. And if X and Y meet, the role that X sees himself playing in Y's reality is not necessarily the role that Y sees X as playing in Y's reality. And vice versa.
(For example, from the perspective of his reality, Kanzeon may perceive me as a dishonest mangler of world religions, and himself as a defender of "truth". From the perspective of my reality, I see Kanzeon as a not-so-evolved perceiver of reality, and myself as his temporary teacher.)
Back to the topic.
Now, within the co-creator model, Abraham teaches us to respect other people's right and freedom to choose their own thoughts and create their own realities. This is a very important aspect of Abraham's teachings and shows up again and again in his work.
In more conventional terms, we might say that Abraham's teaching on this point is the metaphysical version of constitutional rights. Just as in a democratic country, we respect other people's freedom of speech; freedom of religion; freedom of assembly etc, Abraham teaches us to respect other people's right to choose their thoughts and create their own realities. For just as we desire our own freedom, we should allow others their own freedom.
So in this model, we would be very careful, very circumspect, about how we handle the old lady. If she is adamant that she does not want X, we must consider very, very carefully, before we decide to impose our will on her and force X on her.
A correct approach may be to discuss the matter with the old lady, to listen sincerely to her own views on the matter, and to express our own responses sincerely to her, without coercion. The old lady may be persuaded to change her mind about how or where she should live, or she may not be persuaded. Either way, coercion is not the right approach (under the Abraham model).