How to make your villain believable

So you are writing your story and your antagonist does something cruel. Have you ever wondered if your audience believes that someone would do such a thing? It's amazing how many writers create a "bad guy" who is simply...bad. Sometimes it takes a great story and makes it mediocre. The way to prevent that is remarkably simple, and I tackle that not-so-secret in this week's vlog.[youtube https://www.youtube.com/watch?v=T3FNABNbeUs]