I should have known the holiday was going to be eventful when I managed to leave my passport in the glove compartment of my mate's car at Gatwick. There I was, standing at the Malaga baggage carousel, rummaging through my carry-on like a frantic squirrel, while my partner maintained the kind of brittle smile that said we would definitely be discussing this later. Forty-five quid in taxi fares later, I was reunited with the wretched document and we were finally on our way to Marbella.

The drive along the Costa del Sol was doing its best to soothe my rattled nerves. Those endless kilometres of citrus groves and sudden glimpses of the Mediterranean, all blue and glittering like a promise. By the time we turned into the residential area where our villa sat, I had almost stopped replaying the passport debacle in my head. Almost.

The villa itself announced its presence with a heavy wooden gate that groaned dramatically when I pushed it, as if complaining about the effort. Beyond it lay a private terrace with a kidney-shaped pool that caught the afternoon light and threw it back in lazy ripples. I stood there with my still-half-unpacked suitcase and felt something in my shoulders actually drop. You know that feeling? When you realise you have absolutely nowhere to be?

The first morning, I woke to the sound of a neighbour's dog having opinions about something in the distance, and the particular quality of Andalusian light that makes everything look slightly golden and unreal. I made terrible coffee in the villa's kitchen, spilling grounds everywhere because the filter holder had a grudge against me, then took my mug out to a sun lounger by the pool. I had brought three books and finished none of them. This became the pattern. Read twenty pages. Doze. Wake up and stare at a palm tree for a while. Consider swimming. Decide against it. Doze again.

We ventured out to the local mercadillo one morning, a jumble of stalls selling everything from leather belts to enormous tomatoes that actually smelled of something. I bought a straw hat that made me look like a minor character in a seventies European film, which I considered a triumph. My partner bought olives that we ate on the terrace that evening with bread and cheese, watching the light fade from orange to purple to nothing. We talked about whether we should plan something for tomorrow. We never did.

The beach at Elviria was a ten-minute amble away, though "amble" suggests more purpose than I typically managed. Most days I would drift down with a towel and my increasingly battered paperback, find a spot where the sand was not too hot, and simply exist. The Mediterranean is almost embarrassingly pleasant in September, warm enough to enter without that sharp intake of breath, cool enough to be genuinely refreshing. I spent hours in that water doing absolutely nothing, just floating and watching clouds. Once a small fish investigated my ankle with what I chose to believe was curiosity rather than hunger.

Back at the villa, the evenings developed their own rhythm. Aperitifs on the terrace as the heat softened. The distant sound of someone else's barbecue. The particular stillness that falls over a residential area when everyone is similarly occupied with doing very little, very contentedly. I cooked badly, using too much garlic, and we ate outside until the mosquitoes claimed us.

I had intended to be a different kind of holidaymaker, I think. The sort who sees things, does things, comes back with stories beyond "I read some of a book and ate a lot of ham." But somewhere between the passport fiasco and that first morning by the pool, I recognised something in myself that I had been running from: I was exhausted, properly exhausted, and what I needed was not adventure but permission to stop. The villa gave me that. Andalusia gave me that. The sunshine, the slowness, the endless acceptable excuse of "it's too hot to rush."

On our final morning, I packed the unfinished books and the ridiculous hat. The pool caught the early light one last time, and I stood there with my coffee, already half-planning a return in my head. Some holidays you come back from with photographs of cathedrals and museums. I came back with a slightly dodgy tan, three unfinished novels, and the profound realisation that doing nothing is not nothing at all.