"I'm making a study of one of the local wildflowers that I observed earlier."

He has the advantage of not actually needing to see it in front of him in order to record it accurately. He turns to look at her with serious concern, however, reaching up to touch her cheek.

"Your complexion is very sensitive to ultraviolet," he observes; his frown is faint, barely there, but his worry is more than obvious. "I doubt the locals have much need for protection of this sort, but perhaps they have some available for tourists."