Read the following article and answer the question.

If I am eighty - seven years old and stay in bed for a year and never do anything I will turn eighty - eight . Anybody can grow older . That does n't take any talent or ability . The idea is to grow up by always finding opportunity in change .

Why is this person sharing their definition of what it means to grow up like this ?
They find the advice personally useful and wish to share it with their readers