There are certain noises you don’t notice but that really get to us. The problem here is that you don’t understand how these noises affect us. It’s not quite that the noises grate on our nerves. It’s more to do with a fear that if we keep listening, we’ll lose all sense of where we are. At times like these, it feels as if the ground is shaking and the landscape around us starts coming to get us, and it’s absolutely terrifying. So cupping our ears is a measure we take to protect ourselves and get back our grip on where we are.