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How to pass time waiting for a friend to arrive
Prepare.
Get ready for your friend's arrival. Make sure you are dressed for the occasion, and that you look presentable.
If your friend is coming to pick you up and go somewhere, make sure you have money and anything else you will need. If your friend is coming over to your house, tidy up your house and/or your room and set up any activities you plan on doing with your friend.