Introducing a second cat to your household can be stressful. In his funny new video, Dr. Andy Roark and his skeptical cat walk you through the steps that are most likely to make this experience as hiss-free as possible.

Dr. Roark tries to entice his existing cat with promises of delicious treats, pheromones and new litterboxes. (Just remember that pheromones may not affect every cat and that the recommended number of litterboxes per household is equal to the number of cats plus one additional litterbox.) Check out the video below for more tips.

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