Once you have chosen your filters, click the Change Preferences button.
If you see a Turn Off Instant Messaging link, then you already have the instant messenger enabled.
If you see a Turn On Instant Messaging link, you will want to click that link.
When you view another member's profile on Mingle2, you will see a Nudge Him or Nudge Her button.
If you click the button and choose one of the actions from the drop-down menu, that person will receive your nudge.
First, if you have a Mingle2 mail from the person, you will be able to block the person by clicking the Block User link at the bottom of the message: Next, if you have an open IM window with the member in question, you can block in that window.