The Bible says:
“Train a child in the way he should go, and when he is old he will not turn from it.”
- Proverbs 22:6
It is expected to hear lovely words when you spread them, but from adolescents and boys are quite hard. They are touch to respect their parents, to be responsible, to be sensible, but you never know.
Spend your time listening to your children, they might have something to tell you that you would be delighted. Do not under estimate their knowledge. You can have a big surprise.