K.E.
I would start out with "I first want to tell you we could not be any happier with your performance and with you looking for an apportment I wanted to let you know I have been toying with the Ideam of becoming a SAHM, and have made the desicion that as of ... Month... I will be home. I will do everything I can to help you find something else, I wanted you to know before you comitted to anything. I know this is a shock, and we do have ... months to work the finner detailes out. Questions, Comments?"