If you have health insurance, then you don't have to do anything. If you've got health insurance through your employer, you can keep your health insurance, keep your choice of doctor, keep your plan.
The technique of positive thinking is not a technique that transforms you. It is simply repressing the negative aspects of your personality. It is a method of choice. It cannot help awareness; it goes against awareness. Awareness is always choiceless.
If you're doing an indie and you have time, sometimes you can do take after take after take, but if you're working in television on that filming schedule, you don't always have the time to do that. You learn very quickly, I think, how essential it is to come in with the strongest choice that you have.