Yes, I would give alot to have known that I could have done that when I was 20, instead of waiting til much later when the stakes were much higher. Unless your

Yes, I would give alot to have known that I could have done that when I was 20, instead of waiting til much later when the stakes were much higher. Unless your father quit his job and successfully started a company, you can probably ignore his advice, and you certainly should not take it to heart or let it get you so down. Parental approval just doesn't have bearing on reality.