Grace only moves her hole if there's a) something free involved b) a nigh ouhI dont get why she doesnt walk Sienna to school every morning although its really telling, Its about 20 minutes from her house and a straight walk there and back. There's your steps Grace and also a good bit of daily exercise.
She hasnt got an easy 9-5 she's rushing to get to.
Her kids are just lodgers that appear in ads for time to time to pay their rent.