As Cat and I travel to London to get a second opinion from a neurosurgeon at the National Hospital of Neurology and Neurosurgery, it’s fair to say I’m feeling a little apprehensive. On the one hand I really don’t want to be told he doesn’t think there’s anything that can be done, but equally I don’t exactly relish the thought of more surgery, particularly if my body is just as likely to undo the positive effects of the surgery in a few months.