There's more than one way to visualize data! Your photos will make a great "video"--paste them all together in a series of stills, one fading to the next. I would love to do that! I was planning on taking a series of photos, once a week or something, wearing black leggings and a black turtleneck, standing in the same place with as close to the same pose as I could manage.

Sadly, the first set I took was so shocking that I've never had the nerve to take any more, even though I know things are improving. I'll probably wind up with about three pictures: before, almost after, and after. I'm already regretting not capturing the in-betweens.

On the headache: yes, from everything I've understood, EFT works on underlying issues better than on symptoms, and the principle is that the underlying issue of most kinds of pain is stress. Stress makes all pain worse. The sessions on pain all suggest starting with a few questions like When did this start? What was happening in the 24 hours prior to that? What does this remind me of?--and then tapping on stuff that arises from the answers. But yeah, for a fleeting tension headache, a couple of aspirin and a glass of water are probably a faster, simpler solution.