Well, lo and behold, three hours after my last email to her, X sends me an email:

Subject: I don't want any of the rent money.

Wonder who got to her? Mediator? Certainly not her non-existent sense of fair play, that's for sure.

Gardener

"My soul, be satisfied with flowers,
With fruit, with weeds even; but gather them
In the one garden you may call your own."
Cyrano deBergerac