Billy briefly squeezed her hand as they settled on the shore. "You're one of the strongest and bravest people I know, Katara. I might not like worrying about you, but I wouldn't expect anything less brave."

Once they settled on the shoreline, he gazed out at the sunset and sighed. "Ah...well, perhaps I phrased that badly. It was a reference to physical attractiveness. I tried to say that I'm not especially concerned about losing mine, but I know some people would be."

It's more the implied vulnerability that troubles him about the scars. He shook his head, draping a towel over his shoulders and smiling at her. With a flick of his wrist, he offered one to her too.