Final answer:
The manipulative behavior is indicated by the family member stating they often get their way in family decisions. It suggests an imbalance of power and the presence of control within family dynamics.
Step-by-step explanation:
The statement by a family member that indicates manipulative behavior is "I often get my way in family decisions." This reflects a tendency to assert control or influence over the family dynamic, possibly at the expense of other members' wishes or needs. It can lead to an imbalance of power within the family structure and undermine cooperative and harmonious relationships. In contrast, other options like expressing feelings of being ignored or the desire to improve communication are generally not manipulative, but rather indicate a desire for better emotional connections or healthier family dynamics.