If someone having visible symptoms of a mental illness makes you uncomfortable, the solution is not for them to stop. Society needs to learn to be accepting of mental illness in more than just theory. And this doesn’t only hold true for mental health. People with illnesses and disabilities of all kinds face this kind of stigma. I’ve been on both sides. I remember sitting on the L train in Chicago one evening with a friend. Across the aisle, a gentleman who had been muttering to himself began to hit himself on his forehead repeatedly.  It made me uncomfortable because I didn’t know how to respond. Do I intervene? Would…