"I have to tell you something about myself, something important," I said to my boyfriend. We were lying on a bed in a University dorm, a girl and boy who at nineteen were taking our first tentative steps into the world of relationships. "You can tell me anything," he said. "There's something wrong with me," I said. "I mean, socially. I mean, I’m autistic. Well, on the autistic spectrum, and it sometimes makes me seem…