Rowdy and the narrator’s relationship:

. They are best friends 

. Rowdy gets someone to talk to 

. He accepts Rowdy for who he is 

Rowdy protects him

.The parents are both alcoholics 

.They’re both born on the same day.

The sentence that mentions that they are best friends are ‘ but he is my best human friend and he cares about me .

The parents are both the same and the kids because it mentions ‘ I was born all broken and twisted , and he was born mad. ‘

The sentence that Mentions that Rowdy will protect him is ‘ come on , I will protect you . ‘ He knew I was afraid of getting beat up. And he also knew that he’d probably have to fight for me . Rowdy has protected me since we were born. 

They were born on the same day, the sentence is Both us were pushed into the world on November 5 , 1992 , at sacred  Heart Hospital .