The older your kids become, the more control and power they have over the decisions that effect them. When you try to force your ideas on them, you will likely end up in a power struggle.
Judy Steckman from Bend, Oregon just finished the online parenting class for teens and wrote "I think the tools and 'no nonsense' approach will be so beneficial to my kids. I'm moving from a place of power to a place of influence that will last a lifetime."
I loved how she said "I'm moving from a place of power to a place of influence that will last a lifetime." She captures it beautifully ... when you try to have power over your kids, they often rebel. Focusing on your influence acknowledges their autonomy while recognizing your significant input.