"When Rover is picked up, he will be very excited to see you. Dogs do not have a sense of time, so it would be just as happy to see you if you left him for 5 minutes or 5 days."
I am looking at boarding my dog for a couple of days and ran into this statement in an article about boarding your pet. I find it hard to believe that my dog cannot tell the difference from me being gone five minutes or five days. Does anyone know?