I also did a round of HCG (injections & supervision with a naturopath) last year, and I'm at the end of a second round right now. Between the two 23-day rounds, I have lost 41 lbs. I had no problem stabilizing after my first round because I went on a strict paleo diet. And, the others are right, it has to be a PERMANENT life change afterwards. And, although the hunger is virtually gone, which is wonderful, it is a very fragile protocol more of the medical flavor than the dieting. After all, you are taking advantage of the side effects of a hormone to change the way your brain works. If you mess with the protocol at all, then you run the risk of gaining it all back later, aggravating health problems that already exist, and more problems.
Additionally, this site is probably a bad place to do your research and make an informed decision. I highly recommend the yahoo group: http://health.groups.yahoo.com/group/HcgDieters
there are nearly 30,000 members, and the majority who follow the protocol correctly have amazing success. Additionally, you just read the original protocol from the Dr. who developed it. It's called "Pounds and Inches" by Dr. Simeons.
But, it may not be the thing to do with all of the stress of a wedding coming soon, too. Honestly, my friend tried and failed, but a combo of medifast and ediets is working great for her now.
Best of luck and congrats on the wedding!