Checked breathing before signs prevents over-pressuring the horse, modeling exactly how to pause, reset
https://www.tumblr.com/tenselynoblevoyager/821551333527142400/discovering-your-herd-equine-facilitated-training
Checked breathing before hints avoids over-pressuring the equine, modeling how to stop, reset, and react attentively to stress factors rather than respond or look for fast chemical relief.