One of the most famous adventure heroes of the 20th century United States, The Shadow has been featured on the radio, in a long-running pulp magazine series, in comic books, comic strips, television, serials, video games, and at least five films. The radio drama included episodes voiced by Orson Welles.
Spotting anxiety comes more easily. Owners are less likely to push a dog past what it can tolerate. However, contrary to popular belief, a wagging tail does not always mean a happy dog. It is just not possible to take one isolated behaviour and draw a conclusion. Extrapolating information in this fashion is similar to assuming that a spouse is lying because they looked away during a conversation.
By looking at the position and movement of the tail, you can often tell what dogs are thinking. When a dog wags his tail high and wags it back and forth, he's usually feeling pretty good. When he is interested in something, his tail is usually horizontal to the ground.