Friends learn that no matter where you go, you can always make a difference

PAID CONTENT BY DOUBLETREE BY HILTONDoubleTree by Hilton believes that nice is contagious. It starts with a warm chocolate chip cookie but doesn’t stop there! You’ll find that the niceness you experience stays with you – and chances are, you’ll want to pass it on. Share your stories of niceness with us using #NiceTravels.What's the most fulfilling experience you could pay forward to a friend?Tommy loves helping people – and that's why he took his friend Kimm on an u