OCD

So yesterday on the train, I happened to sit next to/near people with really obvious obsessive compulsive disorders. Guy number one was shaking his head uncontrollably, number two kept playing with coins, counting them in her hand over and over, and then playing with her toes. (Kind of gross, I was actually sitting next to this one). Number three was this woman who looked like a witch, sitting across from me on the one train. She pretended to be reading something but kept mouthing what looked like 'move all the way down'. It was kind of creepy, actually.