They don't know what is wrong. Liam needs to liver transplant for sure.

They want to test the baby, too.

Doctors were trying to find out if he had bone cancer or leukemia. Whatever it is, it isn't in the bladder or kidneys.

[The mother's] going to have needs and limitations so he's being called to step up to the plate to meet her needs and take some of that [pressure] off and be there as an emotional and physical resource.

He needs to play it safe and come home and do the things you need to do. He wants to win by a substantial margin.

The child needs to be prepared because, psychologically, he has bonded with the family. To him, those are his parents. A child that age doesn't know the difference between foster and adopt.