If you’ve read the book you know I’ve been interested in the science of body language for many years.
This video documentary (1.5 hours so make your self an nice cup of tea) gives a good overview of the psychology behind body language.
Body language is a good place to start when trying to apply psychology to life. It’s good practice for us designers to try this stuff in the real world before try it with our designs.
Secrets of Body Language on YouTube)
(Source: https://www.youtube.com/)