I think that she has tried once or twice in the past, but does not interact with Wally on any regular basis. If she had spent any time with him, she would have found anyone else to do the calcs. She will learn, like TIna and a few others, that it is futile to attempt to gain anything from the master that the master is not willing to give ... Oh, and while you are going that way ... would you freshen up my coffee?