How do you add a pagebreak in a Wordpress post? It is easy, you can first use the Read more button to insert a Read more link, and then, if you want to break the post into extra pages, use (in the code):
<!--nextpage-->
<!--nextpage-->
How to remove “Possibly Related Posts” from WordPress blog
1. Go to WordPress Dashboard (for the specific blog)
2. Go to Appearance -> Extras
3. Click Hide related links on this blog, which means this blog won’t show up on other blogs or get traffic that way.
4. Click Update Extras