In the first time training centre may be a concern with a step by step training to feel stress has not been relaxed, go out. But when the train several times until a professional can help as well as stress.
In the first exercise You may also concerned with the process of training and feel that stress has not been relaxed away. But when practicing several times until the expertise to help relieve stress as well.
In practice, for the first time. The heart may be concerned with the training process to feel stress have not been relaxed. But when the practice many times until the skills to help relieve the stress as well .