Because a woman brought death a bright Maiden overcame it, and so the highest blessing in all of creation lies in the form of a woman, since God has become man in a sweet and blessed Virgin.
If you're doing things that you don't want to be doing or you're working with people who aren't making you better and you're not learning, if things aren't challenging you, you could be wasting your time. You might be making some money, but you might not be improving as an actor.