Its not all blog post or internet web page you compose has to fit in with a topic group.
Addititionally there is value in currently talking about tangential topics your web visitors care about to be able to offer your site authority into the eyes of Bing. This can cue Bing to cover attention that is extra domain while you add content to your main subjects.
Knowing that, make a place to blog at least one time a week. Keep in mind, you may be running a blog mainly for the market, maybe not the various search engines.