Try to connect with your readers. All too often we see blog posts or stories about how great the author of that story is. No one wants to read about why you think you are a hero. Think about what you like most about the blogs you enjoy reading, and use those attributes. One of the things I tend to appreciate as a reader is honesty. I want the nitty-gritty. Maintain patient privacy, and obviously don't write about something that will get you fired, but be truthful. The humility of utter honesty will help you connect with your readers and give them something they may be able to relate to.