It's not that he didn't like what happened. In fact, he was actually glad that the Grimaldis had now found out about him and Reas. At least that's out of the way now. He no longer had to worry about whether they would find out the truth or not.
But now another problem arose. If he wanted to help his mother reunite with the Grimaldis, he needed Wulfric's help. That was, if he wanted to ensure that the Lancasters wouldn't get a hint of what was happening. And that's where the problem lay.