Same thing happened to me. Back in 2009 I went on a wine tour, had probably the equivalent of 4 full glasses of the stuff through the course of the day, and felt completely fine. About a month ago, though, I was cooking pot roast, decided to go all Julia Child on it and pour myself a little half-glass of wine as I added the wine to the broth, and suddenly 20 minutes later I felt like my face was burning up, I felt woozy, and my face looked completely red when I looked in the mirror.