He doesn't like leaks. He doesn't like hints. In fact, he mostly hates them.
He's really honest and he never lies. However, he doesn't tell you what he knows until it suits his purpose.
It can drive some of us nuts, but it's not a recent development. He's always been that way.
And if he tells you something in confidence, and you spread it, you're toast as far as he's concerned. You had better be as tight-lipped as he is if you want to stay in the loop.