Feliway stops destructive behavior that can ruin your relationship with your cat. If something disturbs your cat's environment, such as a new pet, visitors, moving to a new home or even rearranging the furniture, he may start urine marking, scratching or even stop eating. Feliway products help control destructive urine marking and scratching associated with fear or stressful situations. Great to use in multi-cat households, plug in the room that cats frequent most to keep tensions calm.