We all know that the boss is always right, within earshot anyway. Out of earshot the boss suddenly becomes a bit more wrong. When however you're in close proximity you know you just have to get on with it, nod and agree that it's the best decision and the best solution to the problem.
325ml ceramic mug, for those who like to make an impression! 'The Boss... Do Yourself A Favour, Just Nod & Agree!'.