Separation anxiety almost always occurs within the first 20 minutes after you leave a dog alone. Give a stuffed dog KONG to your dog about five minutes before you leave. Having a stuffed KONG to explore is an effective way of redirecting your dog’s attention away from your leaving and will absorb your pet during this crucial time. Remember, the most anxious time for a dog is the 20-minute period after you leave — and keeping his attention focused on a KONG can really ease his anxiety. The ...