I can not stress enough that there is no reason for you to do anything to help.
The newness factor is nothing and it goes away fast! My W used this to get kids on board, then at xmas she went overboard trying to get them to like being there more.
None of it worked. They tell her they want to stay with me more to her face, S5 told her that it is not their home and my house is their home. I didnt look up or say a word.
M 37 W 34
T 12 M 8 D 7 S 4
Need break 4/12/15 W no ring 7/7/15
Separate room 4/12/15 Separate living suggested 8/15 W moved out 11/1/15