She is having a failure of her source memory. Source memory played an important role in recalling the information that had previously been stored. The recalling of this memory usually triggered by a distinct factors such as time, environment, or unique events.
The psychological phenomenon that best explains the change is that of prospective forgetting.
<u>Explanation:
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As a part of human fallibility, some people tend to unknowingly opt to live according to their older routines in a few days after trying to bring a change in their lives.
This unknowing shift backward is in psychological terms referred to as prospective forgetting. In this type of forgetting, the person is unaware of the changes that are happening slowly and gradually.
