fade basically stated what I felt. Also why give up a home that's rightfully yours? Is your name the primary one on the paperwork, if so...she needs to be the one to leave not you.
As for your W pushing for it, politely let her know that you don't feel D is the answer, but acknowledge that you cannot stop her. If you don't truly want it, be honest and tell her. She can't fire at someone who isn't firing back.
