Skinny, try starting Phase 1 over from after the glasses of wine. To truly make P1 work for you, you need to do it without any cheats. Okay?
The dizziness was the detox from sugar...it lasts 3-5 days in most people. If you'll be going through it again because you had your wine afterwards, you can mitigate the feeling by drinking lots of water, being gentle with yourself, and eating good P1 carbs like beans, bell peppers, and tomatoes. Exercising in P1 is a personal choice...most people don't try it until the second week and many wait for Phase 2. If you can handle it, go ahead, but pay attention to what your body is telling you and don't push it, okay?
For Phase 2, check out the stickies in the FAQ. They have tons of hints. You want to add one new thing a day (same thing each day) for a week and see how it goes. If you gain, try eating it at a different time of day or eating something different. If you are fine, add one more new thing and do that for a week. You may gain a bit working out what what works for you, but you'll lose it. I gained 5 pounds figuring out P2, but I've lost over 90 since then.
Glad to have you with us, skinny!