 These are all signs of the change of the relaxation of your dog. Scenario, this is a stressful scenario for your dog. It's common for your dog, if it's common now for your dogs to drool, if you got a drooly dog, like you got one of those smoosh nose dogs that have the big lips that hang out and drool comes out, then drooling may not be a sign of stress. But if your dog normally, my Mal, only drools on the bite table.