Final answer:
No, emotional changes do not need to ratchet between positive and negative. Some changes can be neutral or subtle.
Step-by-step explanation:
No, emotional changes do not need to ratchet between positive and negative. Some changes can be neutral or subtle. Emotional changes in a story depend on the genre and the specific situation. They can vary from intense positive emotions to subtle shifts in mood, and they can be present in both dramas and sitcoms. Emotional changes are not exclusive to characters with bipolar disorder.