All my life, whenever it comes time to make a decision, I make it and forget about it. — Harry S Truman. President of the United States from 1945 to 1953
I have found the best way to give advice to your children is to find out what they want and then advise them to do it.
Carry the battle to them. Don't let them bring it to you. Put them on the defensive. And don't ever apologize for anything.