We all know about the physical dangers associated with driving while talking on a cellphone: unable to concentrate solely on the road, the driver is then distracted by the conversation and is at a higher risk of getting into an accident. Though talking while driving just doesn't put the driver's safety at risk but also might have a negative consequence on interpersonal relationships. A recent study conducted by University of Minnesota professor Paul Rosenblatt outlines the problems with talking and driving. As he explains, talking on the phone while driving "is not simple. There are more mistakes likely to happen. People misunderstand each other, focus less, and respond slower, which could all be negative for relationships.