It's not a secret that pets' stomachs can be easily compared to a well - no matter how much you put inside it will never be full. So no wonder why 99% of pets have the annoying habit of watching their owners eating, drinking or even cooking. However, far not every pet master would agree to be watched - moreover, some of them prove to be super creative when teaching their friends to be more polite. Watch this man treat his poor dog with an extremely sour candy and enjoy the animal's reaction!