What age did you realize your narcissistic parent/s were hypocrites, and when did you start rebelling because of that?

I never feel that my parents are narcissistic or hypocrites ever in my life till time , but when I was 19 there was an incident happened with me in my life after that I started feel that they are really very much self enter upon there own advantages and even by knowing about the fact they closed there eyes upon me as they knew that use of mine can help them to live a better life as am already became a spoiled child for them