You know what I'm thinking?' Maggie said. I had no idea. 'Nope,' David replied. Apparently David didn't know either. Maggie turned to me with pleading eyes.'Our babysitter has the flu.' 'I'm sorry to hear that,' I replied. Dead silence. I honestly had no idea what Maggie was getting at, so I misread the silence. 'It's not serious, I hope,' I said sympathetically.