I don't really know how it happened. It had been a very bad weekend and I had come home, screaming at my mother in the car the whole way, walked inside, slammed the door, headed for the fridge and took out a Marie Calendar's frozen cheese ravioli dinner, even though I really wasn't hungry. I microwaved it, grew impatient, and ate it half frozen. And then I felt sick. I could feel the slushy tomato ...