There was absolutely no reason for Klara to fear Charles. Could he be dangerous with his powers? Oh, certainly. But that wasn't his way. He was a mentor, someone who liked to help mutants. He certainly wasn't going to be cruel to her. It would never cross his mind.
"It is lovely, yes." He watched with a smile as she used her abilities in front of him. Fascinating.
"I am very well. I suppose this time of year would be one you would particularly like," he said, indicating the flower.