Sensations and expriences that we are aware of.
Invisible surface Home of instincts that influence our behaviour.
Thoughts and memories we are not consciously aware of.
It is the most primitive part of the human mind, Childlike thinking.
Rational Aspect. Responsible for controlling the instincts.
Moral Aspect. Our personal ideas of correctness.

Birth
Toilet training interferes with gratification recieved from defecation.
Bro what 💀
Also superego development.
Make friends of same sex.
Make friends of opposite sex.
Birth order is a big factor.