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When Bieber Fever is so excessive, that there is no cure. Can be found in multiple girls aged 5-40. Signs of Bieber Cancer are: 1. Knowing every single Justin Bieber song ever written 2. Constantly talking about him 3. Believing that he is in love with you Unlike other cancers, Bieber Cancer is contagious. If you or someone you know are showing signs of Bieber Cancer, please contact a medical professional.
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