How equal is your relationship? If you are a male executive and primary wage earner for your household, ask yourself if you would be happy to swap your salary for that of a female peer in your company or your female partner or your wife. Chances are that a female peer in your company will still earn 17% less than you do. Chances are your wife or daughter earns 17%* less for the same work as a man regardless of the role.
So when you are next negotiating a female’s wage and know that it is not parity of her male peers (mostly because it is not transparent), ask yourself again – would this be OK for me.