Appearance in the Reader and on Topics pages are drawn from the same data. I'm a Librarian by profession and I am appalled by the spamdexing I see here every day.
This is the Tag block for a single post: http://beingabeautifulmess.wordpress.com/2012/10/28/im-getting-tired-of-talking-about-lying/
Tags: betrayal, compulsive liar, compulsive lying, Copayment, emotions, health insurance, infidelity, Insurance, Judge Judy, liar, Lie, lies, lying, marriage, marriage counseling, more lies, Narcissistic personality disorder, never-ending lies, pathological lying, Pseudologia fantastica, relationships, tired of lying, tired of the lies, trust, trust your gut, trust yourself, unending lies
1. You exceeded the very generous limit of 15 set by WordPress.com.
2. I suggest that if you continue that pattern you will find that Google will position your posts so far back in the SERPs that they will be very difficult to find. Search engines pay more attention to your keywords in your content than they do to your keywords in Tags/Categories.