Last month I travelled to Portsmouth Harbour by train, on my own, for the second time this year. I stood up on the train because there were limited seats, and I need space (owing to my OCD fears around germs and contamination, as well as a heightened sensory reaction when I am in close proximity to other people). I felt slightly dazed and tense upon arrival in Portsmouth, and experienced some degree of health anxiety. This is connected to finding it hard to work out how I fe