These jokes amused me very much, but only gradually did I notice that my friend frequently played the same game with me. It would happen that on my way home from school I had suddenly the feeling Demian was a little way behind me, and when I turned round, there he was, sure enough.

“Can you really make another person think what you want him to?” I asked him.

He gave me information on the subject readily enough, quietly and pertinently, in his grown-up manner.