Originally Posted by nannyde:
I would surrender it and just try to make his every day be as sweet as you possibly can. It may mean changing your mind set to that he will need infant level care for the rest of his time with you.
Just love him up when you have him friend. Do everything you can with him and pay his parents no nevermind. 
Love this!! My thoughts exactly. Sounds to me like she shouldn't have had a 2nd child.