Answer:
Part of a peer group.
Explanation:
Peer group may be defined as the group of individuals that have same interests, back ground or social status. They are more influenced by the other's behavior and belief.
Maddy live in the group of girl friends that have same behavior standard, dress code. They are more or less similar with each other and like to share each other company. They are friends and represent the part of the peer group.
Thus, the correct answer is option (a).
You would get a ear infection
The best option I can think of will be 3 to 5 sessions per week.