It has been claimed (by children, initially) that the "stomach" has separate compartments - one for vegetables (which fills rapidly), one for chocolate (which is almost infinite in capacity, etc. Perhaps there is a separate compartment for alcohol? Does alcohol increase hunger? https://twitter.com/ryanflippinglee/status/1071852891084939270 …
Isn't this the case for most liquids? You can consume an entire 2-litre bottle of soft drink, for instance, and still be hungry even though it is thousands of calories of sugar