Lyric-huh?

There is a commercial for a new drug called Lyrica that has me confused. The drug is for fibromyalgia and it shows a woman in an art studio (I think she teaches classes in painting). She is reading an entry from a diary about the pain from fibromyalgia. My question is: who is this woman and why should I trust her knowledge of this drug? Usually characters in pharmaceutical commercials fall into two categories - a doctor or someone who suffers from the problems the drug supposedly fixes. That way you either have expert opinions or first hand testimony. But that is never clear in this commercial. Is the woman reading from her own diary or someone else's? Why is she teaching art? She never once says that she feels much better since she has been taking Lyrica so I don't fell like she has the disease and can really convince me the drug works, and as far as I know art teachers are not trustworthy judges or pharmaceutical efficacy. And the final straw is the woman's squeaky voice. Annoying all around.