Some people wear their insecurities on their sleeves, and you can tell instantly that their self-esteem is subterranean. Others, however, manage to maintain the illusion of self-confidence so well that few will clue into the anxieties that roil just beneath the surface.

In many cases, the only way others will become aware of these people’s self-doubt is when they slip up and accidentally reveal how insecure they are. Here are some of the most common ways that they may unintentionally let their deep-seated scaredy cat out of the bag.

1. They look around for approval any time they say or do something.

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