She looks at the bars, hating to admit defeat, but -

"Just read. I think I just should focus on you right now and not try to tear myself up in my eagerness to get back on my feet."

It also gives her time to consider her kitchen. Baking was as close to patience as she managed some days even with a toddler around the house. A pang of guilt hit her. As important as her work was, Sandra had to come first. Balancing that wasn't easy, even as a stay-at-home hero with independent wealth. She should make something nice tonight, like shepherd's pie.