Sweet that you are taking a Motorcycle course! I've been teaching them for years and its a great way to meet new folks and just do something different for you.
Keep detaching, if possible, and don't be drawn in by her constant need to keep in touch. My sit is similar but I'm sure my W is done. But who knows with a WAW? As I have found out the hard way you can't believe a thing they say !
BTW: D will never be better for the kids unless there is physical/sexual/mental abuse