Where are the Half-Dwarves?

Two dragons had just finished their main course and were about to enjoy some jello-tinous cubes for desert.

Asked one dragon of the other, “Beloved, have you any idea what’s worse than a dwarf in your jello-tinous cube?”

“Do tell,” responded his mate.

“A half-dwarf!”

Her brow furrowed, and a hint of soot escaped her upturned nostrils. “Hmmph! If such a creature existed surely it could not be as bitter as a full-blooded dwarf!”

The two ate in silence for a few moments before the she-dragon finally queried, “So, mate of mine… what’s so bad about a half-dwarf?”

The first dragon gave a toothy grin and replied, “Because, my love… it means you’ve already eaten the other half!”