By Joshua Smith on August 6, 2014September 9, 2014 View All Posts If you aren’t in over your head, how do you know how tall you are? T.S. Eliot (via karenhurley) Shape Human Behavior on:Click to share on LinkedIn (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Pocket (Opens in new window)Click to share on Reddit (Opens in new window)Click to email this to a friend (Opens in new window)