You can gently nudge him but you can't make him change...think of leading a horse to water. Also if you respond he's going to think YOU'RE never going to change.
Can you get your S involved in the drop off off time...he's 13 right so maybe in some small way you can give him a little more responsibility in this???
Jen *The more anger towards the past you carry in your heart, the less capable you are of loving in the present*