Curves are good ... if you want a baby

A new book claims that 'curvy bums and boobs ... ensure the future of humankind. They are proof that a woman was well-nourished while growing up and carries good child-feeding genes ... it makes evolutionary sense for new couples to plump up as this provides both of them with a fatty fallback for when they begin the arduous task of reproducing the species.'

The book by David Bainbridge, Curvology, asks what it means to be a woman having to balance balance the 'ancient conflicting demands of food, shape and success in a modern, unnatural world'.

So my curves helped me to breed (successfully - three children) but what can be my excuse now for the little extra curvature on my hips? I need to find a reason, I mean, write a book on the subject.