Film is a dramatised reality and it is the director's job to make it appear real... an audience should not be conscious of technique.
Do your duty and a little more and the future will take care of itself.
I'm a vegetarian - I think there's a strong possibility, had I not become a vegetarian, I would not be working now. I became a vegetarian about 25 years ago, and I did it out of concern for animals. But I immediately began having more energy and feeling better.