I think the model needs to be expanded to include the popular "maximum steal count" rule, that a gift can only be stolen, say, 2 times at which point it becomes

I think the model needs to be expanded to include the popular "maximum steal count" rule, that a gift can only be stolen, say, 2 times at which point it becomes "un-stealable". EDIT: d'oh, should've read the code. This is accounted for.