I know you don't want to play that card, but it is the only thi g that will make her do part of the driving. I say call her bluff and tell her the only way you can do three weekends is if does her share of the driving. You know she will, b/c she can't stick it out a single week without calling you to rescue her. Don't be scared you aren't going to get the kids plenty, b/c you will have them every time you turn around.
Yes, by all means respond by telling her she has to drive!
Btw, how do you know she's not lying about the insurance being twice the amount you were paying? It make be the makings of her asking for more money in the near future.
It is not about what you feel should work in your M. It is about doing the work that gets the right results. Do what works!
