Have you ever wondered why some people you interact with behave in a certain way? For instance - I recently went for a job interview and the lady interviewing me made very little eye contact, and sat at an angle (half facing me). I was seriously interested in the post I was applying for, and therefore tried to engage her more by talking more indepth about my experiences related to the job, but the more I talked, the more tightly, she seemed folded her arms.
Read more: Reading Body Language, how useful is it? [click]