[Adimos]

It's not uncommon to feel slightly more hungry on skip day though, just so you know. Most are fine but you might have a bit more hunger. This is mentioned in Pounds and Inches. This is from Pounds and Inches:

On the days onwhich they do not receive the injections they usually feel a slight sensation of hunger. At first we thought thatthis might be purely psychological, but we found that when normal saline is injected without the patient'sknowledge the same phenomenon occurs.