When you have children, you're obligated to live.
I was standing in the schoolyard waiting for a child when another mother came up to me. Have you found work yet? she asked. Or are you still just writing?
I can never tell ahead of time which book will give me trouble - some balk every step of the way, others seem to write themselves - but certainly the mechanics of writing, finding the time and the psychic space, are easier now that my children are grown.
It seems to me that since I've had children, I've grown richer and deeper. They may have slowed down my writing for a while, but when I did write, I had more of a self to speak from.
People always talked about a mother's uncanny ability to read her children, but that was nothing compared to how children could read their mothers.