Best of the 'Day X, and Y Suspects Nothing' Meme!

Have you ever been in a situation where you KNOW you don't belong, and you feel like you're getting one over on everyone just by being there? I know I have, literally every time I've ever hung out with my friends. But sometimes people WITHOUT sever social anxiety infiltrate social groups too! Here are some people who have gone X number of days without Y suspecting anything.

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What kind of groups have YOU slipped into unnoticed? Let me know on Twitter @mikeyfromsu or leave a comment below!

Check out Best of the 'Rasta Science Teacher' Meme!