Sibling conflicts that begin in childhood often run the risk of lasting well into adulthood if the issues aren't addressed and resolved; but what are the causes of the issues themselves?

I caught up with three of our Tiny Happy People Families who have both a new baby with older siblings to find out how they are managing to keep each of their children entertained and happy.

Few relationships are closer than those shared by siblings. Why, then, do some siblings have such a hard time getting along, even as adults? We talked to a leading expert on this subject ...