Here is a little gross factoid: everyone picks their nose -- even if they won't admit it. It's human nature. If something is in there, you are genetically predisposed to wanting to get it out. Ideally, you will have a tissue handy to aid the excavation. Though, more than likely, you are going in for the big dig with digits exposed -- like these stars we've caught in the icky act. Check it out!
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