"Last deviled egg" stand-off heading into the wee hours

The polite but somewhat insincere cries of "You have it!" and "No, really, it's yours!" continue to emanate from the Sullivan kitchen well into the evening, as John and Laura stare down the last of their their dinner guest's locally famous deviled eggs. No one really knows precisely where the other 11 eggs went or who may have already had one more or one less than their allotted share, but as the dinner quests slowly drifted back to their own cabins, it became apparent that this dinner party still had a bit of unfinished business to resolve. 

I mean, if nobody else wants it...