I agree with Ken. There is no way this young woman has the experience or maturity to deal with what she may encounter. I think it's plain reckless for her parents to allow this. When she is 18 and is free to make her own decisions, then it is her decision. There's a reason they don't let kids in CA drive after a certain hour until they're 18. Experience. We know that's what counts when you're in deep doo-doo on the mountain--no different in the big blue sea. Craziness!!
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Karen R