What is the purpose of ego?
Ego has a big and beautiful purpose in our life. It is said that the purpose of ego is to cause you great levels of unhappiness and suffering so that hopefuly one day after trying to change the world and people around you, you can look inside and decide to change yourself.
What is the ego responsible for?
The ego is Freud's second mental apparatus of personality. The ego's main function is to mediate between the id's demands and the external world around us — reality in other words.