We all know it's not okay to lie, but in some situations, it can be a lifesaver. If someone in the hotel lobby asks you if you're traveling alone, always tell them: "No, I'm with my friends." The same rule works for planes, trains, and any other transportation. If you ever need directions, and someone offers to walk you to the place, politely reject that offer: "I know how to get there." If you notice a flat tire after a visit to your favorite store or restaurant, go back in and ask someone to help you. 

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