I want to comment and mention that yes, we have talked about this problem before, and when we do, it does get heated. Her position isn't going to change much, not without me constantly cracking a whip and building equal resentment on the other side.
If you need a 3rd party to give you feedback, analyze the situation and solve your problem I might know someone who can help you although he is rather helping high profile startups.Leave a mail on your profile if you want some help anyway.