You can only deactivate your profile, and it’s unclear what happens to your personal data.
To deactivate your profile, go to http://mingle2.com/user/show_settings
You can reactivate at any time, hence this site is blacklisted.
Please note that AccountKiller.com is not associated with the business listed on this page. AccountKiller provides easy-to-understand instructions and guides on how to cancel charges and relationships from the list of businesses on our site, we have no affiliation with these businesses.