TIL you can change your testosterone and cortisol levels by changing body language and acting more alpha

http://www.ted.com/talks/amy_cuddy_your_body_language_shapes_who_you_are?utm_medium=on.ted.com-static&awesm=on.ted.com_Cuddy&utm_campaign=&utm_content=awesm-publisher&utm_source=t.co#t-56645