You try to be the best among all, but your answer is incorrect and everyone starts laughing at your overconfidence. Too much to deal with in a single go!
You are in middle of an intimate moment and suddenly you smell of onions. You can either kiss or run away. Hell, loads of humiliation.
9. FAKE ID
Facebook has got a lot of features, oblivious of some. When someone proposes a girl he met online and then finds out it that it is the ID of a guy with the fake name. Too much heartache in one ID.