In the movie good will hunting, how and why is the main character reborn?

Will is the main character in this story who is reborn. He is the foster child who is abused to an extent in his childhood. Will is bestowed with genius of level of intelligence in math.

Will was imprisoned for hitting a police officer and was taken under supervision of five psychiatrists and by the math professor Lambeau.  

Will is reborn after getting connected to a bartender Skylar. Will hopes to start a new life with Skylar after a great turmoil in his life.

answer; migrate from a region;

answer; deviation iq; //(a)