Imitation is an advanced behavior whereby an individual observes and replicates another's. The word can be applied in many contexts, ranging from animal training to international politics.
Why do we imitate?
To feel like we belong? To relate to another person? To learn?
Its the easiest thing to do. It does not involve thinking. It creates a connection. It is profound.
It has been associated with the development of language.
We all do it and despise when its done to us.
Its the sincerest form of flattery.