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.
Your cat uses his tail to say so much. Your cat uses every inch of his body to communicate his feelings and moods. It's difficult to interpret the body language of such a complex creature. While it's easy to know what a dog is thinking if he wags his tail, a cat waving his tail means something entirely different.