What is the most probable relationship between the two speakers?

M: I hope you can understand my reasons for deciding to leave, Mrs. Harrison.
W: Do I have to remind you that we have invested a lot of time and money in your career here? I hope you will have a second thought about your decision.

M: It’ s two thirty in the afternoon and they haven’t come to fix the shower yet.
W: What? I called the front desk at eight o’ clock in the morning. They are wasting our time!