My neighbor used to leave his lights on all night.

Not just one lamp—every light in the apartment. Kitchen, hallway, bedroom, even the bathroom. The glow spilled through the stairwell window and straight into my bedroom like a spotlight.

It drove me crazy.

Electricity was expensive, and here he was lighting up the whole building like a stadium. I knocked on his door more than once.

“Could you turn some of those lights off at night?” I asked.

He barely looked at me.

“Sorry,” he said once, and closed the door.

Another time he just shrugged.

After that, he ignored me completely.

So I complained about him to anyone who would listen. The landlord. Other neighbors. I called him careless, selfish—someone who didn’t think about anyone else.

Then one evening the power went out across the whole block.

Everything went dark.

The building fell silent in that strange way it does during a blackout. No humming appliances, no streetlights, no television sounds through the walls.

I walked into the stairwell with a flashlight, trying to see if anyone knew what was happening.

That’s when I saw him.

Through the stairwell window, across the small courtyard, I could see into his apartment.

Even though the electricity was out, there was a dim glow inside.

Candles.

Dozens of them.

My heart stopped when I realized what he was doing.

He wasn’t sitting or watching TV.

He was slowly walking beside a hospital bed placed in the middle of the living room.

In the bed was an elderly woman—frail, barely moving.

His mother, I later learned.

He held her hand while gently guiding her through small physical therapy movements. Lift the arm. Lower it. Stretch the fingers.

The candles were everywhere so the room would stay bright for her.

I stood frozen in the stairwell.

Then I heard him speak softly.

“You’re doing great, Mom. Just a little more.”

His voice was patient. Gentle. The kind of voice you use when someone you love is fighting something bigger than both of you.

Later, when the power came back on, his lights returned—every single one.

But now I understood.

The next evening I knocked on his door again.

When he opened it, he looked surprised.

“I’m sorry,” I said quietly. “About all the complaining.”

He looked confused.

“I didn’t know,” I added. “About your mom.”

For a moment, he didn’t say anything.

Then he nodded once.

“She’s afraid of the dark,” he said simply.

After that, the lights didn’t bother me anymore.

And sometimes, late at night, when I saw the glow through my window, it reminded me of something I’d forgotten.

Not every light someone leaves on is wasteful.

Sometimes it’s the only thing keeping someone else from being afraid.