Can you teach? He (she) can not only practice by himself, but also teach you, dictate you and demonstrate you. As a student, can you copy and complete every movement without distortion? Many coaches can practice well by themselves, but they can't make students repeat their actions. This involves communication skills and teaching experience. How to turn professional knowledge into easy-to-understand content is very important for white people to understand, and they must be able to speak human words!
Whether it will inspire students: the management theory of "carrots and sticks" is also applicable here, which depends on the leadership of private education. Moreover, a good coach will change the appropriate incentive strategy and style according to the personality of the students. When to be strict, when to encourage, and how to grasp the scale depend on the level of emotional intelligence.
Career stability of coaches: people need to run in, not to mention long-term fitness classes. Changing suppliers has switching costs and risks.
Responsibility: this is difficult to observe in the short term, but it is very important. It also causes the difference and experience of students' fitness effect. The coach who is attentive to students will constantly urge students to study hard and practice hard, and will design some non-instrument training movements that can be exercised at home from the perspective of students to make up for the lack of class frequency.
Chemical composition and other factors: the atmosphere is not suitable. There is too much content involved here, too metaphysics. From personality to constellation, I don't need to go into details, which is the most accurate experience.