They are playing a game. They are playing at not playing a game. If I show them I see they are, I shall break the rules and they will punish me. I must play their game, of not seeing I see the game. There are those who excel in tying knots and those who excel in being tied in knots. Tyer and tied are often both unconscious of how it is done, or even that it is being done at all. It is striking how difficult it is for the parties concerned to see what is happening. We must remember that part of the knot is not to see that it is a knot.