Nothing makes Pia happier than playing secret agents with her brother, Charlie. But when an unexpected stumble interrupts their mission, Pia's body freezes. Her heart pounds, all the feelings inside her start bubbling up, and suddenly, she explodes! Pia is a kid who experiences her emotions with massive intensity. When things feel too big and overwhelming, she puts up a tough, prickly shield and shouts for everyone to leave her alone, even when she secretly needs a hug the most. Written by parenting expert Dr. Becky, this compassionate picture book takes you inside the mind of a kid navigating huge feelings. It shows exactly what happens when emotions take over and how caregivers can become a sturdy, safe base during the storm. With honesty and warmth, this story helps families understand big reactions and find their way back to connection.