We have all seen that confident, powerful people tend to show this in their body language, and some of us have been told this, to “fake it till we make it”. In this video, Amy Cuddy explains why our body language doesn’t just change how we appear to others, but can actually alter our body chemistry.
https://www.ted.com/talks/amy_cuddy_your_body_language_shapes_who_you_are?language=en