Stewie throws up in church after ingesting too many crackers and too much wine — which is a completely understandable reaction — and just because the crackers and wine are part of Communion, he's immediately assumed to be possessed and sought after by the entire town of Quahog, as well as the authorities, for an exorcism. When Meg fumbles around describing menstrual periods in " Saturated Fat Guy ", Stewie cuts to the chase, although Chris points out that he already understands her. Of course I'm alive.