This horrible aversion lasted until Annie was born, after which it disappeared as quickly as it appeared. Which brings me to my Vampire theory. Let's examine them one by one. Vampires have an aversion to garlic. We already know about that one.
Vampires are normal people taken over by another being.
Vampires are the living dead. So are new mothers. Vampires aren't visible in mirrors. Vampires suck your blood. Fetuses suck your energy.