Begin with a slight shift of your body. Gradually position feet and legs. If his are crossed, you may want to cross yours, but in a different manner. If his hands are folded in his lap, you may want to put both of your hands in your lap. If the head is tilted to the left, you may choose to tilted your slightly to the right.
People naturally have a great assortment of standing positions.
When we communicate, our stance or posture will change. Our posture is frequently connected to the kinesthetic representation of our current thoughts. If someone is feeling rejected for example, they may slouch their shoulders. These body clues can indicate how to continue with your conversation, make adjustments accordingly, validate the individual's feelings and mirror their current posture. A voice can be mirrored just like a body.