My dad gave up his degree and started working on building sites to raise me after my mum went out to buy milk and never came back. When he died, his last letter began: “My little darling, I hope you can forgive me…”

When Dad died, the last letter he left me began with these words: “My little treasure, I hope you can forgive me…”

Looking back, my earliest memories of Dad are always the same. His heavy work boots stood by the front door. His worn orange hi-vis vest hung over a chair. His hands were so rough they felt like sandpaper when he tucked me in at night.

When I was born, he was studying engineering at university. But one perfectly ordinary Tuesday, Mum kissed my forehead, picked up her handbag and said she was just popping out to buy a pint of milk. She never came home.

A week later, Dad abandoned his studies. There were no dramatic speeches, no complaints. He simply swapped his textbooks for a hard hat and started working on a building site.

Throughout my childhood, we lived in the same small rented flat. Every month was a struggle to pay the bills. When there wasn’t enough food for both of us, Dad would always say he wasn’t hungry.

His work boots had long been held together with glue, even though they should have been replaced years before. I can’t remember him ever buying new clothes for himself. Even at Christmas, he would always convince me that the best present he could get was to watch me smile as I unwrapped mine.

When I asked him why he worked so hard, he would kiss the top of my head and say: “Because you’re worth every single one of my tired muscles.” That was what he always called me: my little treasure.

I promised myself that one day I would give him back everything he had given up for me. A better flat. A holiday. A chance to finally rest.

But I never got the chance.

When I was twenty-five, Dad found out he was seriously ill. Eight months later, I buried the only parent who had ever truly loved me.

After the funeral, his solicitor asked me to stay behind for a moment. “He asked me to give you this,” he said quietly, and placed a plastic bag and a letter with my name on it in Dad’s familiar handwriting into my hands.

My hands shook as I opened the letter. It contained just one sentence: “My little treasure, I hope you can forgive me when you’ve seen what’s inside.”

I looked into the bag… and held my breath.

Slowly, I opened it. Inside were an old notebook, a small key and an envelope with my name on it.

My hands were trembling as I opened the envelope.

It read: “My little treasure, if you’re reading this, it means I’m no longer by your side. But please never believe that I lost anything because of you. You were the greatest gift of my life.”

Tears ran down my cheeks.

Then I read the next lines.

“I know you always believed that I gave up my dreams for you. But the truth is, I never gave them up. I kept studying at night while you slept.”

I froze. He had secretly continued his degree. For years, after long days on the building site, he would sit at his books and study.

The notebook was full of his notes from all those years. The key opened a small bank safe-deposit box. Inside were his degree certificate and another letter.

“I wanted you to know that your father wasn’t just a builder. I was a man who never let his dreams die. I simply chose to put you first.”

But the last line broke my heart completely.

“I couldn’t give you a big house or expensive presents… But I gave you my time, my love and my whole life. And that is the only wealth that never fades.”

At that moment, I understood everything.

For all those years, I had tried to give him back everything he had given me. But he had never expected anything from me. His only wish was to see me happy.

And that day, for the first time, I understood…

My father was never a poor man. He was the richest man in the world. Because he had something no money in the world could buy: the endless love of a parent for his child.