Creeping. It can be a daily struggle for those who are shy, introverted, or horrified by the idea of human contact. But we’ve all been creepy at some point in our lives, and here’s how.

The following creeping was performed in a controlled environment by a trained professional. Do not creep like this at home.

Big thanks to HuffPost’s own Suzy Strutner, Kate Bratskier, Sahaj Kohli, Julee Wilson, Patty Doma and Jenna Amatulli for letting me creep them out. And another big thanks to Tiara Chiaramonte for photographing and being witness to so much creepiness.

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