[Maybe he should have kept his goggles on. His eyes are aching right now, too much to do more than squint. He treads as well but he can't laugh with her.]

You know that... this is... riskier... for you... right?

[Flying over, she might be caught by someone on the island, sure. Swimming? She could be caught be something worse.]

You went out... alone... What if you were... killed? Better in trouble... than dead...