"Well if you are looking for a guide, you probably found the wrong place."

Rose had a horrific sense of direction, due to being prone to getting distracted. She probably knew even less than this stranger did. Not to mention, Rose may have the body of a 18 or 20something year old, but has only had control for a few months now. Mentally, she was incredibly young and easily overwhelmed. She was horrified at the idea of getting them both lost.