Breathing Our Way Back to Balance

Recently, I was playing with my niece and nephews, 4-year-old triplets full--really full--of rambunctious energy. It was total fun, and they wore me out. At one point, as I saw them headed my way for more playtime, I suggested we all take a breath.
I demonstrated what I meant by breathing in through my nose and out through my mouth. After a few conscious breaths, I invited them to "play" along.
There was an immediate change...