It has to be able to play at the maximum expression and communication in every style, and the only way you can do that is - like Verdi said - working with a file, every day, little by little, until the orchestra's collective qualities emerge.
Women tend to have recognition and peer group support - recognition from friends and family that this has to be a big issue in their lives. They're more comfortable expressing the need for support and receiving it.
More and more couples are having this negotiation or discussion, but I'm still amazed at the number who aren't and where the cultural norm sort of kicks in and they just assume that mom's got to be the one who stays home, not dad.
And so, little by little, I gradually divested myself of pretty nearly all of the guest conducting I used to do, because I was at the same time working in the places like the Met, where I could work in this sort of depth.
Great cataclysmic things can go by and neither the orchestra nor the conductor are under the delusion that whether they make this or that gesture is going to be the deciding factor in how it comes out.