The body works as we move it. Our idea becomes movement and our input decides the amount of resistance we have for the work.
Begin standing with your feet under you. Relax from the hips down and place your fists on the ground beside your legs. Move your body from your hips to place the fists in a movement walking forward until your body is in the superman position and back several times paying attention to letting the breath lead and avoid trying to move the body from the arm but moving the arm from the body. Only use as little tension as needed to keep your desired shape for that breath and no more but no less.
Repeat the drill but no from the shoulders start the movement of lifting each leg at a time and moving in a walking motion again to the superman position and back several times. It is easy to rely on muscles and contact. Rely on your breath and move the limbs from the body.
To master yourself you must do a little each day. One cannot drink the ocean but you can swim it.