I am sixty-two years old, and I have lived across from that yellow duplex on Juniper Lane long enough to know when a house is holding its breath. Lena’s house held its breath for three solid years. She lived there with Brian, who worked HVAC when the mood struck him and spent the rest of his time listening to his mother tell him he was too good for that town. Marlene and Vic, his parents, owned a brick ranch outside Henderson and acted like they had a vault at the federal reserve. Every Sunday after church, Lena came over to my kitchen table with a stack of Sunday paper inserts, a pair of dull orange handled scissors, and a spiral notebook with grease stains on the cover. She drank tap water from an old jelly jar because she told me once that bottled water was where money went to die. I used to tease her gently about it, asking if she wanted a coaster for her jelly jar. She would just smile, a quick little twitch of the mouth, and keep cutting coupons for store-brand tuna and laundry detergent. I thought she was just trying to keep the lights on in a town where the mill had closed twenty years ago and nobody had found a way to replace the wages. I did not know what was actually inside that notebook until the Sunday before Thanksgiving. She left it on my counter while she ran back across the street to check on her oldest boy. I picked it up to move it out of the way of my damp dish towel. The pages weren’t just clipped grocery ads. They were columns. Neat, blue ink columns written in a hand so small it looked like lace. Dates, amounts, store rebates, fuel points, cash back transfers, and little deposits labeled credit union. She tracked everything down to seventeen cents. There was no margin for error in that book. There was only math and survival.