According to Sigmund Freud, the human psyche is made up of three parts: the id, ego, and superego
Ego
This part of the psyche operates on the reality principle and is more aware of others outside of us. It tries to get the id's needs met while also considering other people.
Id
This part of the psyche is driven by the pleasure principle and seeks immediate gratification of needs, wants, and desires. It's similar to what we're born with, and it's the part of personality that's most infantile and primal.
Superego
This part of the psyche operates on the morality principle and is concerned with things like right and wrong. It begins to develop around the age of five