She was taller than him by a head, and everyone remarked on it as if it were a curious accident of anatomy rather than the quiet fact of their lives. He learned early to look up when she spoke, not out of deference but because the tilt of her jaw and the way sunlight caught the planes of her face made it hard not to. She moved through rooms with a kind of economical grace that came from being used to stooping under thresholds and ducking for low branches as a child; the air around her seemed calibrated to her height, a space shaped to accommodate, and yet she never felt imposed upon by it.
: Creators use extreme height differences for comedic effect—sometimes referred to as the "Big Little Brother/Sister" trope—where a "little" sister might be a literal giant compared to her average-sized older sibling. Common Examples tall younger sister story
"I'm a deep thinker," she teased. She stood up, stretching her arms toward the sky, seemingly touching the stars. "Hey, race you to the mailbox?" She was taller than him by a head,