Amy is very excited for the day of her wedding. on that day she experiences a spike in happiness and this feeling lasts for about a month. after that she returns to her "normal" levels of mood. what is this an example of?

The answer would be adaptation. Things change. As people, we should likewise change. Adjustment alludes to a person's capacity to acclimate to changes and new encounters, and to acknowledge new data. The capacity to adjust encourages us develop rationally and ceaselessly create.