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.
I a down to earth guy just trying to see what's out there and maybe get lucky to find someone for meI work I like the great outdoors and just about anything country if there is anything else that you would like to know just ask and I will answer any question