The grocery store was crowded that day, and at 72, I suddenly felt vulnerable. My hands shook as I reached into my purse—my wallet was gone. “I’m so sorry,” I whispered to the cashier. “I’ll have to come back later.”

It wasn’t much—milk, bread, eggs—but I was mortified. Then a voice behind me said, “I’ll pay for it.”

I turned to see a boy, maybe fifteen, holding out money. He didn’t look like he had much, but his eyes were kind. “My grandma says doing good brings good back,” he smiled.

Tears filled my eyes. “Thank you, son.”

He simply said, “Just pay it forward.”

The next day, I brought cookies and a small envelope to the neighborhood where I’d seen him walking. A kind woman opened the door. “That’s my grandson, Mateo.”

I gave Mateo the cookies and $50. His grandmother teared up. “He’s saving for a new computer for school.”

I smiled. “I might be able to help more.” My late husband had been a professor. I made a few calls.

A week later, Mateo had a new laptop and a grant.

He gave me groceries. I gave him a future.

But truly, I was the one most blessed.