M. de Tréville correctly predicted Louis XIII’s mood. Although the king does not like the cardinal, he is not stupid, and he knows that the musketeers likely share some blame for what’s happened in the past few days. While this assumption is correct, the current incident in question was started by one of the cardinal’s men, and luckily, M. de Tréville has proof. However, that proof won’t arrive until the following day, meaning d’Artagnan’s life-changing meeting will have to wait.