Should I quit the HCG Diet? Ahh, help! What to do?

I am doing the HCG diet for the second time. I did it last year and lost 40 lbs. Well, I am 10 days into my diet this time, I lost 4 lbs last week, then completely ruined it this weekend with the Superbowl and all and I gained 3 back :( I still have 30 days left on the diet, but it's so hard. Should I stick with it until my 40 days are up and see where I am at? I am 215 right now and I want to get under 200 while on this diet! My ultimate goal weight is 130-150 though..........