I have 4 kids and the oldest is a 17 year old boy. Its sucks being the parent sometimes but that is what we are. They will be moody, happy, moody, happy. Be a parent(an example) as they will model after you. Every teenage will think you have ruined their life but that is your job. In a few years it will be too late and you will stat letting them make their own decisions, some not so smart and some well teenagers...
AG