griddleguy.net
http://imgur.com/a/BNzXK

Ismael, thank you for your reply, unfortunately I have trouble following your directions, as it makes little sense to me.
I’m not sure you understand what my original question was.
On my blog page I have all of the articles displayed as experts with read more link, with categories links showing under each article title . Once someone clicks on the title it displaying article with a full text, as it should be, but if you click on one of the categories links it displays all of the articles that belongs to that category with a full text and everything in it. I want it to be displayed as “experts with read more link” just as an original blog format.
When I tried to follow your directions for enabling Excerpt meta box, it just gives me an option to write the Excerpt for that page, which is not what I need.
Thanks,
JL

never mind, I created new blog element, and it seems to work fine now