Right. And it'd be great it kids "wanted" to do their chores, too, and people "wanted" to eat cauliflower!"
Do what you have to do to LEAD. Speaking lovingly, but be firm and resolute. Let the chips fall where they may; if she is sincere on wanting to work on things, she will comply.
When a wayward spouse is truly ready, you will get a "I will do whatever it takes -- just tell me" statement. Maybe she's not really ready.