I discovered several never-failing signs by which one might know when a man wished to take another wife. He would suddenly 'awaken to a sense of his duties'; he would have serious misgiving as to whether the Lord would pardon his neglect in not living up to his privileges; he would become very religious, and would attend to his meetings. . . which seemed just then to be very numerous, and in various other ways he would show his anxiety to live up to his religion.
David Deutsch
The quantum theory of parallel universes is not the problem, it is the solution. It is not some troublesome, optional interpretation emerging from arcane theoretical considerations. It is the explanation, the only one that is tenable, of a remarkable and counter-intuitive reality.
