I would tweak this a little and not say courteous or polite but not be rude or dismissive. Just uninterested.
Right, and the LBH not being interested in the WW......drives her crazy. She doesn't want him, but she wants his availability to her. She can find his usefulness for all sorts of things.
It is not about what you feel should work in your M. It is about doing the work that gets the right results. Do what works!