The pharmacy called me on a Thursday afternoon to tell me I had picked up my heart pills and my pain patches twice that month, which was funny because I live alone and I had not set foot inside that brick building on Main Street in three full weeks. The young man on the phone, a sweet boy named Noah who always remembered my blood pressure cuffs, sounded terribly careful with his words. He said, “Ma’am, I have you signed for on the 3rd and again on the 17th, and both times somebody used your account.” I told him straight out that I had not left my little ranch house except for Sunday morning church in the Buick.

There was a long, heavy pause on the line, and then he said, “Then we may have a problem, and I think you should sit down.”

I am 79 years old. I have buried a husband who coughed himself to death in this very bed and a son who never made it past thirty, and I honestly thought I was past being surprised by much of anything this world could throw at me. For about a year my grandson Tyler had been my big helper. He is 26, out of work more than he is in it, and he would come by two or three times a week to run my errands, pick up my scripts, grab a gallon of milk, and take the heavy trash bins out to the gravel road. I paid him a little bit of cash each time, and I was always glad to do it.

A grandmother wants to feel useful to the young ones, and I wanted to feel like somebody still needed to knock on my kitchen door in the morning.

Here is the part that shames me to write down where anyone can see it. For months I had been hurting worse than usual in my lower back and my right hip. I would tell Tyler I felt like my patch was not doing its job anymore, and he would look at me with those big blue eyes and say, “Grandma, you already put one on this morning, remember? You just forgot.” And I would believe him every single time. Because when you reach 79, you do start to worry about your own memory slipping away like water through a sieve, and he said it so gentle and sweet that it never crossed my mind to doubt him.

I started keeping a little spiral notebook on the nightstand by the bed, just to prove to myself I was not losing my faculties.

And the numbers in that book never matched the boxes in the drawer. I would count what should be left and come up short, and I would think, well, I must have taken an extra dose in the dark and simply forgot I did it. I actually apologized to Tyler once for being “a burden with all this medicine,” and he patted my hand and told me not to worry about it.

The pharmacist walked me through the paperwork very slow on that phone call. Two full refills a month on the patches. Two on the strong pills. Both filled on days when I was sitting right here in my green recliner watching the morning news. Signed for by “authorized pickup,” which was a box I let Tyler check for me two years ago so he could grab things when I had my knee replacement surgery and could barely walk to the bathroom.

I set the black telephone down on the kitchen table and I just sat there while my mug of coffee went cold. I did not cry right then. That came later, once the shock wore off and the anger took its place. I thought about all the afternoons I had hurt so bad I could not sleep, lying right over there in the dark thinking my old body was just finally giving out on me, while my medicine walked out my own front door tucked safely inside my grandson’s coat pocket.

I thought about the twenty-dollar bills I pressed into his hand for gas money every time he brought my groceries inside. I thought about the Sunday he stood in my dining room and told the whole family at my own dinner table, “Somebody’s got to look after Grandma, she can’t keep track of anything anymore,” and how everybody at the table nodded in agreement, and how I nodded right along with them because I trusted him.

I picked the phone back up and I called my daughter, his mother, and I told her every word the pharmacist had told me. She got very quiet on the other end of the line. Then she said maybe there was a simple explanation, maybe he was just picking things up early to be helpful because he knew I was busy with church ladies.

So I asked her one single question. I asked her where he had been getting the money for the shiny new truck payment he had been bragging about all month, when he had not held a steady job since last April.

And that was when both of us finally understood what my empty pill boxes had been paying for all year.