Suddenly he presses a hand to my stomach. His fingers are so long that, thought the heel of his hand touches the side of my rib cage, his fingertips still touch the other side. My heart pounds so hard my chest hurts, and I stare at him, wide-eyed. “Never forget to keep tension here” he says in a quiet voice. Four lifts his hand and keeps walking. It’s strange, but I have to stop and breathe for a few seconds before I can keep practicing.