This, exactly. The funny thing is that once you start reading body language (as in paying attention to it) - somehow other people pick this up, too. The author

This, exactly. The funny thing is that once you start reading body language (as in paying attention to it) - somehow other people pick this up, too. The author (Joe Keohane) in the book that I mentioned in my blog post noticed this too, once you start looking - it often happens that other folks find you (first) and start talking.