Dejan Marjanovic/E+/Getty ImagesCats do all sorts of strange things, from rubbing their teeth on you to barreling around the house at 3 a.m. as though they’re possessed. So if you’re chilling on the couch with your kitty and notice they’re drooling, it might strike you as strange, or maybe you’re thinking it’s just one more odd thing cats do. But it’s worth asking yourself, “Why is my cat drooling suddenly?” Emergency veterinarians say sometimes cats drooling can be a sign of contentment, but other times, it can actually signal a medical emergency.Why is my cat drooling so much out of nowhere?...