I was actually surprised about the sibling type bond that developed between my 15-year-old birth son and our newly adopted 15-year-old daughter many years ago. They began to cover for each other and stick up for each other, just like any life-long siblings.

Now that our daughter is 24, all of our children are very attached to her, even the seven-year-old who was just a year when she moved out on her own. She makes a point not to miss anything they invite her to such as church plays, award ceremonies and graduations.

Why is it then, that some children raised together,... more