Why can’t they meet on Thursday?

M: I’d like to talk to you about our next building project. Can you fix meeting for this week? What about Thursday?
W: Well, I’m sorry. I’ve been extremely busy this week. I’ll be at meeting all day on Thursday. And I’ m going out of town on Friday. I Wednesday all right?

M: Mrs. Anderson, you must have gained a deep insight into the problems of married couples.
W: I think I have, yes.
M: What do you consider to be the most common problems?