Fruit: Jim Kirk's secret weakness.

"The line between 'currency' and 'barter' is pretty blurry," she adds. "If I can't make sense of it one way, I try looking at it from the other. Usually, it works out. Not many people are willing to extend credit, for the obvious reasons. But they will sometimes put things on hold for you, for a few days at least, while you find the right payment."

Living here has taught her so many new skills, like figuring out what kind of shells are worth keeping track of.