Most of us have done it on road trips involving more than one car. That is, following a friend in another car because you don’t have the directions. If you’ve ever followed a friend, you may have found yourself taking more risks than you normally do. However, you aren’t the only person with this tendency. Researchers at Arizona State University have verified this behavior in their test subjects. So what’s the explanation? The problem is a lack of coordination between the two cars. The lead car will often drive normally and assume the.