So a little bit of both. Sheeana thought and water flowed in as she found herself returning the kiss. She'd learned to trust these signals her body sent her. They were guides.

So much water. Their tongues mingled in it. I've entered her realm. She thought, Fremen instincts telling her it was mana from heaven, Other Memory screaming at her to break it off, and her own body wanting more.

She followed, up and up (the bends were no problem to her, quickly regulated) and broke to air, gulping it and floating.