And now a chill settled over them where they stood, and Harry heard the rasping breath of the dementors that patrolled the outer trees. They would not affect him now. The fact of his own survival burned inside him, a talisman against them, as though his father's stag kept guardian in his heart.
J. K. RowlingOf course it is happening inside your head, Harry, but why on earth should that mean that it is not real?
J. K. RowlingOn Harry dug, deeper and deeper into the hard, cold earth, subsuming his grief in sweat, denying the pain in his scar.
J. K. Rowling