You cannot delete your account. Try deleting all your posts and anonymizing your data. Read the tip below on how to do so.
For more information about their policies, see this post: http://talkaboutmarriage.com/general-relationship-discussion/11063-important-message-about-anonymity-public-forums-like-talkaboutmarriage-com.html
URLS:
http://talkaboutmarriage.com
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