please trade you have 2 of that pet and I have none! 
The message ruined it for me. I reply:
I would have gladly given you the pet for free, but your message ruined it. Sorry.
So far, I have given people Staff pets for free if I had a duplicate. But when someone says what they did, it irks me. Yes, I have two and you have none. If you would have just said "Hello, would you like to trade?" I would have edited the trade and gave it to you for free like I have been doing to everyone else.
Blah, Maybe because it's late, but that message really bothered me.
EDIT:
They messaged me:
what do you mean by that? I'm not begging I just tried to make it sound fair and give a reason for having the pet (I hate it when people want pets with no reason for having them-not even that they just like them- so I thought I could give a reason.) Anyhow, I'll find somebody else who'll trade it to me...
I'm not replying. Not all outcomes that you get will be fair. It's at random.