You know, I'm becomming of the notion that being 'friends' may just not be possible for me and XW.
Maybe. She hasn't been very friendly to you from what it sounds. Let her be pissed off. You have plans and you don't have to change them for her. You don't and shouldn't tell her what they are. None of her business. Be brief & polite and as my friend Kat told me, treat her like the mailman. Karen