Keep your head up always and never let anything stop you.
If you can't SEE the things that are of true value, then your ego has to go! It's that simple....Kill your ego and watch what happens.
Yes, they spend years treating you like a child and not wanting you to have even an ounce of independence. When the day finally comes that you've had enough and are ready to walk away, THEN they decide they want you around. But even then some STILL want to badger you and treat you like crap, all the while complaining about the fact that you are over them.