Dog kisses—some humans love them, while others cringe and turn away. There are those dogs, those especially drooly, slobbery dogs, that nobody wants to get near for a sloppy kiss. Why do some dogs slobber so much?

Dogs Drool for the Same Reasons People Drool

Think about a lemon or a sour pickle. Right away, saliva begins to accumulate in your mouth. You have to swallow to get rid of it (don’t spit!). When you aren’t thinking about sour foods, your mouth still stays wet from saliva.