Far be it from me to br the mature one, but can't any of you see how you are feeding his ego by continuing this nonsense (assuming for the moment it is not a fake account - I'm guessing Zenman).
The guy is dull and smug and needs you more than you need him.
May I suggest you restrict your responses to:
This is spam and you are STRONGLY advised not to reply to this or any other posting by "drpornz". Please continue to observe this ostracism until notice of his banning or a marked increase in willingness to participate in threads instead of starting ones appropriate for PMs. Feeding him or giving him the attention he craves will cause him to feel comfortable and rip open your trashbags at night-let him learn that he's very boring by himself. Thank you, Grip Johnson.
He'll get the hint and move on soon enough.
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You're all still alive?