There are quite some people trying to offer escrow and/or ask for trust with only one reason: scamming.

So when you ask for trust it is normally not a good sign, unless there was already a transaction which showed your trust. Only in such cases you can ask (better by PM) the other person for trust so your trustrating is getting up.

Every other situation is suspicious - so you don't have to be a scammer, you acted like many scammers do. That's why the first reply on your request was: