In fact the only reason I don't eat more pineapple is because it stings my tongue of I eat too much That's because the bromelain in the pineapple interacts wit

In fact the only reason I don't eat more pineapple is because it stings my tongue of I eat too much That's because the bromelain in the pineapple interacts with the proteins of your mouths tissues and convert them into peptides. It's kind of like "digesting" your mouth's walls, which thankfully regenerate quite fast and isn't dangerous :)