But each kick against Carl’s seat felt like a small explosion, jolting him forward. The thin airline seat cushion provided no protection as the boy’s sneakers collided forcefully with the plastic composite backing. Thud. Thud. The impacts came in an unrelenting assault on Carl’s lower back and shoulders.
How could this child have so much strength and stamina in those short, stubby legs? The kicks were growing harder, the boy putting his full weight into them now. Each one reverberated through Carl’s tense body. He clenched his teeth, trying hard to keep his expression neutral, hoping not to draw attention.