That's a tough spot to be in AS, I'm sorry to hear about the cancer. I pray she will get through this health crisis with flying colors. How are you doing??
Of course he's treating her like a princess and doing things with the kids that she always envisioned a father doing... duh!! He did not have to raise them and discipline them, teach them and care for them. Wait until those rose colored glasses get a little dirty.
You can not change your past, but you can ruin a perfectly good present by worrying about the future.