While logged in, click "My Profile" in the top navigation menu and click on "More Options" which makes an array of options available for you to toggle. The third option down from the top is for enabling/disabling comments on your blog posts. If you do not want other users to be able to comment on your blogs, toggle the slider off by clicking on it. You can enable comments again at any time by clicking the toggle again.
Send me a message if ur interested.I'll tell you all when we start knowing each other. By simply sending me a message. I'm not posting here about my self. But I can guarantee that I'm a kind of person who is fun to be with and don't like wasting time so probably I'm worth of your time.