Our early examples of matching happen when we are babies. Many parents when they try to settle baby will gently rock the baby in time with its breathing and gradually slow down the movement until it goes to sleep.
Next time you are with someone you are close to and sitting together, try matching the other person’s breathing – watch the movement and location of their breathing and begin to breathe in time with them. After a little time you may be surprised at the depth of rapport this can produce.
Some time ago I was traveling on a train that broke down and to keep myself challenged I decided to match the person’s breathing who was sitting opposite me. We began a conversation and built a great level of rapport.