"It has been known to happen now and again." Not often- but now and then. Especially if it would benefit him in some way. Keeping Alistair alive? Was terribly beneficial to him. He was not so noble as to claim to be entirely altruistic. "There is a reason the Grey Wardens are called 'Grey'. They do what they must to end the blight. But such a life as that- such an act? Would destroy everything the Grey Wardens seek to protect. They cannot truly have thought it would be worth it in the end."