Big brother

A big brother who gave everything to protect and raise his younger brother.
A big brother who loved his younger brother unconditionally and took the place of their absent father in his life.
A big brother who always puts his younger brother before himself in everything he does and everything he gets.
A big brother who gives all his love to his innocent younger brother who's like a son to him.

But who will do the same for the big brother?

P.S. This story is inspired by the backstory of Dean and Sam from the series "Supernatural".