I was overly protective of my table when Vit first showed up at the convention, and almost threw myself at him when I saw him starting to put things on my table.
You see, he is a natural alpha male. If he sees something he wants, he'll take it without asking, and people will just back off and let him have it. But he is also a super nice guy, so all you have to do is inform him that you had your eyes on it first and he'll accept it.
But I still kept an eye on him until I had put my own things on the table. B(