Felines are entirely incapable of tasting sweetness because they suffer from a genetic mutation that deactivated their sweet taste receptors millions of years ago.

A closer look

Felines are entirely incapable of tasting sweetness because they suffer from a genetic mutation that deactivated their sweet taste receptors millions of years ago. Unlike dogs, bears, and humans, who gleefully gorge themselves on sugar, domestic cats and massive lions alike are obligate carnivores whose taste buds only react to savory meats and fats. So whenever your cat eagerly begs for a lick of your vanilla ice cream, they are not enjoying the sugar rush, they are simply craving the milk fat and asserting dominance over your dairy products. It is frankly a blessing in disguise, because if household cats could actually experience the euphoric rush of a sugar high, their already chaotic midnight sprints would undoubtedly escalate into full-blown domestic terrorism