OMG I am so sorry this got lost in my inbox. XD
Charles also had the feeling that Alex was from ahead of him in time. He had listened to everything Alex had said, but there were things that he spoke of that Charles had no memory of himself. He supposed he could learn, even if Jean had thought that it was not a good idea for him to know the future. Charles could see where she was coming from, but he also knew that with all the people here from his future it could not last for long.
When he heard the knock on the door, Charles stood, went to the door, and opened it, stepping out of the way and gesturing for Alex to enter the room.
"Can I get you a drink?" He could have answered the question for himself but for the sake of politeness, he stayed out of his head. For now.