What Happens If You Cheat On An HCG Diet Apple Day? An HCG Apple Day is performed when your weight stalls and doesn't start back up again on its own during Phase 2 of the HCG Diet. This is known as a Plateau or as some like to call it, an HCG Stall . But whatever its name is, having your weight loss slow down or stop completely while on the HCG Diet can be down right infuriating. Another irritating aspect of these weight loss stalls is the fact that they can be caused by any number of different things. For example, a few of those reasons might be: Not following Dr. Simeons HCG Protocol close enough, u sing products that contain oil, or even n ot getting enough sleep can cause a person to possibly plateau. However, I would have to say that the most common reason for an HCG Stall is cheating. But no matter what the cause is, an Apple Day is probably the best known way to break up your Plateau. But What If You End Up Cheating On The HCG Apple Day? W...