They want to show off because they think they are cool.
Treat them as your equal, do not treat to act as they do. It is often best to talk to a younger generation on their own as they often act differently in a group.
People act differently in groups than they do as individuals. This is especially true of youth.
A functional group may react differently, but does not always do so. One of the well known examples is a hydroxyl group, which ionizes sufficiently to act as a weak acid when the hydroxyl group is bonded directly to a carbon atom that is part of an aromatic ring, but not when the hydroxyl group is attached to a carbon that is part of an aliphatic chain.
These people that act like others act differently from others, and act like some of the others are hipocritical for acting like others when believed that others act differently around the others.
differently,
The person tends to stay in your mind, and you may be talking about that person every now and then. If you act differently around that person, that's probably another sign that you like that person.
Discrimination is one person or group of people is treated differently than another. These people may be treated differently based on religion, race, gender, or weight for example.
act of causing a person or group to abandon its culture or customs
People will always make fun of other people who look, act, dress, or talk differently.
They do not act any differently to their usual behaviour.
The definition of the word comply is "(of a person or group) act in accordance with a wish or command."
Jury Firing squad Corporation