Oh no. I've seen that look before. The crazed eyes, the tightly-clenched jaw. The obliviousness to what I'm saying. The nervous, darting gaze. Once again, cool, rational Jürgen has vanished, replaced by some sort of deranged photo-taking beast. Since none of my arguments are going to penetrate his ears nor reach his little brain, I don't even try and protest. Do whatever it is you have to do, however insane. Go get your damn picture.