"I'm glad we can afford to go out to lunch sometimes," or "I'm glad we have a car and enough gasoline to go to the mountains!" Or "I'm glad our cats are nice."
And don't do it to train them. Do it because it's true. It will be uplifting, in that moment to kind of put a blessing on it.
photo by Sandra Dodd of a car in Lyon, France, 2012
Here's the other side of it: