I'm not saying that you have /no/ affect on your children, just that you cannot blame parents for everything a child does. They have there own free will as well, and outside influences that change their ways of thinking and outlooks on life.
My son is near that age, I still tell him what I expect of him. Always been that way. Perhaps wrong method for most but I find it worked out well for both of us.
My son is near that age, I still tell him what I expect of him. Always been that way. Perhaps wrong method for most but I find it worked out well for both of us.