Reagan was generally so graceful that it was hard not to miss it when she nearly stumbled, and Luke turned his head toward her a little more fully, his hand flying up to help, though he was a beat too late and it was more likely that she'd just crash into his arm.
He gave her an apologetic little shrug and folded his arm behind his back instead as he took a step forward, only to promptly begin wobbling a little himself as he stepped directly on the pebble he'd just been kicking. He caught himself with the ease a person used to catching themselves from falling, simultaneously rolling his eyes as she chided him not to be crass.
"It'll be a long time for you too," he reasoned, though of course she hadn't proposed making a similar promise. Still. It was only fair. He lifted his eyebrows. "Unless you were planning on having a lot of wild parties in Castyll."