Yup, for more than 2 years we nearly broke up like 20 times? Or 30?
One time I said it's enough and either she stops being so damn ignorant/blind (telling me that I should use her, hahaha, good joke) and didnt contact her for 4 weeks.
Well, it kinda worked and she came back, since then she is really serious and a lot more hardworking for us.