Her hands are cold against his skin, he's still coughing as he lets her push her palms flat against his chest, and then a moment later? He's not. He gasps, and leans forward, curving in on himself slightly at he stares at her, eyes wide and fixated. On closer inspection, there are clearly differences between them. Even between what she is now and what he once was. He can't see any gills on her throat, and with her too, too dark eyes and smooth skin, she looks less human than he ever has.

But the tail.

That much at least, is unmistakably like him.

He touches his throat lightly, still gazing at her, mesmerized by her existence, "You're a mermaid."