Why did Mary make changes in her office?

W1: Wow, I really like what you did with your office, Mary. It seems much more spacious, and the new window blinds really change the entire atmosphere of this place.
W2:1 am glad you like it. I spend a lot of time in here, and I was getting tired of the way it looked. I am quite happy with the result.
W1: Yes, it really looks nice. You know, after looking at your office, I am tempted to do something about my office. Could you give me some tips over lunch today?
W2: I’d be glad to, Jane, but I can’t today. I have that luncheon meeting with the Johnson people. Tell you what, I have some time this evening. Why don’t we get together and have dinner at our favorite Chinese restaurant, and I will let you in on some of my secrets in interior decorating.