Post Ideas: At times you will just run out of ideas for post not sure what to do. use google and apps like Evernote to note down all that ticks in your mind. Something will surely turn into a new post.
Share your personal experiences on your blog occasionally. It makes your posts more real and helps your readers connect with you.
People come to your blog out of choice and not any compulsion. If you remember this, the rest is not important enough.