Apparently, having bad manners are threatening our way of civilized life, so experts say. I believe them, being rude and barbaric is going to take our advanced state and regress it back to when we were once cavemen. We are slowly losing respect for everyone, and treating everything as if it were causal. Right now we could just forget to say thank you, and move on with our lives, but later, maybe at a funeral, we could forget who died, and just act as if it were a normal day. It could be that we are just accepting everything as a normal part of our lives, and that there is no need to make a big deal about one thing and be over-kind about it. Though, we must not act this way, because then things will get too casual. People in your family dying could become something you could care less about. We need to keep certain things proper, and not casual.
Though many people, especially teens, might not notice, scientists believe that people with manner tend to be more successful in life. They get better grades, better social life, and seem more impressive when applying for a job. Some might say that having manners might will make you a dork, and keep girls from liking you, but really in the end, manners benefit you. People might think that having manners might make you a loser, but in most cases; the girl will go for the gentleman, and the interviewer will go for the polite person.
Of course, simple rudeness could not result in death or destruction, but it can come