Bad Words

I can't really figure out what makes words bad. Overtime words have evolved and so have their uses and definitions. Words like "gay" used to mean happy, but is now a slang word commonly used by teenagers to describe things that are "lame" or "dumb". I think what makes words "bad" is how aggressive they sound. If you think to yourself about all of the "bad" words used, you notice how aggressive they sound while others have more of a calm tone.  I think it is because people believe the "bad" words we use are unprofessional and they put bad impressions on people than those who don't use bad words. The idea of good/bad words decreases between people because as people use these "bad" words, their language barrier diminishes because they used those words in a casual conversation so much they don't use actual words needed to understand someone else.  The appropriate use of euphemism is most likely when you're angry. You don't hear people say "well that hurt" if they get hit with something or cut themselves, they use other words to express their anger through those words. Euphemism becomes phony or confusing when it used in daily conversations. You hear more and more kids say "well this f***ing s*** is f***ing stupid..." and so on and you just stare at them trying to figure out what the heck they were trying to say. I say just use real words now and say your other words later.