People follow through on things they are serious about.
“What do you think? There was a man who had two sons. He went to the first and said, ‘Son, go and work today in the vineyard.’
“‘I will not,’ he answered, but later he changed his mind and went.
“Then the father went to the other son and said the same thing. He answered, ‘I will, sir,’ but he did not go.
“Which of the two did what his father wanted?” (Matthew 21:28-31 NIV)
All glory to God.