Give an ending to the following story.....

                                                                 BEST FRIENDS



There once was a boy who had no friends, one day from school he came across a stray goat. The boy felt pity for the goat and carried it home. He convinced his parents into keeping it with a vow to take care of it.

The boy and goat grew up to be friends in no time. They became best friends.

Many years later, the boy grew into a man and the goat too old. The goat fell sick too often and refused to eat without the boy. The parents were fed up looking after the goat and the boy by now had many friends, work and family that kept him busy.

The parents finally approached their son, the boy listened to his parents agony and replied, "....................."