Relationships forged between siblings are often the longest and strongest bonds in life. From infancy, siblings form and maintain lifelong ties to each other--not only the kinds that share in the joys of life but that also help individuals overcome adversity and heartbreak. Of course, not all sibling relationships are close nor, like any relationship, do siblings agree with each other all of the time. Yet, even after the most intense disagreements, siblings can still find a way to stay close.