Hindsight is always twenty-twenty. Unfortunately Charles hasn't acquired enough yet.

"...no. To both questions." He even winces a little because Erik expressly told him not to go near the fog. As in wouldn't even let Charles accompany him on his own expidition. And will probably react somewhat negatively when he finds out, considering he lost the other iteration of his friend only recently.

And speaking of reacting negatively. "Oh God, he's out there. Erik. Not here here, but he's out there. He left this morning on an expidition." Which quickly turns to the realisation of, "He knows what they can do and he went in there?"

...why are you still surprised by such things, Charles.