"If you treat me as before", what is the next sentence?

If you treat me as before, I will grow old with you.

What becomes more complex as time goes by is the human heart; what becomes more clear as time goes by is years; what becomes simpler as time goes by is the wish. The years are quiet, if you treat me as before, then I will accompany you until you grow old.

Similar sentences are as follows:

If you treat me as before, I will live up to it in this life.

If you treat me as before, I will accompany you to the end of the world.