While most sources imply that Ioannes took full control as soon as his brother was crowned, Psellos does not: he gives Michael IV responsibility for everything but finance, and declares that he was impressed by Michael's serious commitment to his office. Ioannes won over the Senate by giving many promotions and the common people by distributions of money and other favours, successfully achieving dominance. Most sources praise Ioannes' energy and intelligence, as does Psellos, but he was amazed at the effectiveness of a man who (as Psellos himself saw) was often drunk and overcome with laughter