Sent him a CDkey for CS:GO. He then said he didnt need it anymore and he didnt pay. He promised not to use it. I saved the CDkey and didnt sell it because I didnt trust him 100%. Months later he came to ask me for another key. After I told him I still had the same key he didnt need earlier he suddenly needed two. I said okay we'll do one by one and gave him the first key. He said it was used (he used it himself months ago) and asked me for the second. I told him to piss off.
