Sentence:  After a long feed, she's sleeping. I take this opportunity to transform from nurser to writer, and I don't know how much time I have until I must, Supermanlike, make the quick change back into “<WSD>breastaurant</WSD>” again. 
Meaning of the word marked with <WSD> tags:  A lactating woman or her breasts, viewed as a source of nutrition for a child.