[He does finally manage to stop coughing, leaning his head away when she rests on him so he doesn't hack up water in her hair or something. ...Her hair glows. Wow. That's... different. With his breathing back under control, he kicks lightly to help her support them both at the surface, one arm around her waist while the other lifts to touch the glowing hair just under the surface.
[Action]
...Amazing... just like a hyperresonance.]