Is your story believable? If your audience thinks you're just making up stuff to entertain them or to trick them, it's not going to be as effective. Now, sometimes you can tell something true. And it sounds crazy. It's not initially believable. You can let people know you wouldn't believe you do if you're in their shoes, but try to make your stories believable sound as believable as possible.
Otherwise, people are going to be skeptical. They'll be throwing up roadblocks and they won't buy in to what you're talking about. They don't buy in, they're not going to really take away the message. So always test yourself and your stories and ask yourself is this really coming across as believable