Ever been so scared you can't move? It's a common reaction to a really scary situation. We know we're in trouble. We know we need to move. But we can't seem to convince ourselves, so we do nothing. Some people make a living helping others out of tight spots like this one. Firefighters, for example, are trained in how to get in there and persuade the immobilized person that moving is a really good idea. The firefighter quickly establishes trust,