A little good-natured sibling rivalry isn't a problem per se - it can push you to try harder and aim higher. However, even though blood may be thicker than water, too much competitiveness can cause conflict, rifts, and lifelong grudges. Is your sibling rivalry unhealthy? Find out with this test!

Read each question carefully, and choose the answer that best describes your typical attitudes, thoughts, feelings, and behaviors. And remember, this test is just for fun!

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