A dog trainer has shared the “most frustrating” behavioural problem dogs are guilty of – and exactly how to fix it.

Many people are dog lovers, and the species has cultivated the reputation of “man’s best friend” for good reason. They can quickly become established members of the family, bringing a sense of joy and loyalty to their loved ones.

Despite their many positive qualities, pooches can cause issues with unwanted habits like excessive chewing, barking and more – but one trait…