Need some quick help guys!

Okay, so lately I have been using the content rewriter offered by seo20 and sold some of this using different forums. Now, I have advertised the content as unique, which it is. Sometimes, people know it's unicode, but no harm no foul, I refund them right away and we both forget about each other. But this guy comes, and tells me it's unicode, and that he will do everything to see my forum account banned, as well as my paypal.
What to do? I don't give a shit about the forum account, but my main concern is that older clients will see the thread and will ask for a refund too. My paypal will get flooded with claims
Any kind of advice would be great and will be appreciated. Thanks a bunch!

Nobody? Come on guys, I need some help!

Are you talking about the forum here?

El_Seo said:

Are you talking about the forum here?

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Of course not, I would never do such a thing. BHW has taught me almost everything I know about IM and I have made nearly all my money online with the help of this great forum. I was speaking of other forums, such as DP, for instance.

So, why dont make other accounts to defend yourself against bad comment

If they disable your account, you will just post with a new one that you are a satisfied custommer and that you can always reach the guy (you) by talking with him at this adress or with that method...

So, other users will know where to reach you and they will not ask for a refund...

It's just an idea.