At 3:00 AM, he closed the laptop. His notebook was no longer a wasteland. It was a masterpiece of diagrams, clean and precise. He dreamed of oraciones compuestas dancing through his head like perfectly choreographed ballerinas.

His blood chilled. Then warmed.

He scrolled to the next exercise. Then the next. Each one was more challenging than the last, but the PDF held his hand like a private tutor. It predicted his mistakes before he made them. When he hesitated over the difference between complemento indirecto and complemento de régimen , the document shimmered and a new section appeared: “Marcos’s Common Errors – Lesson 5.”

He knew the words, of course. He’d even read the theory in the textbook three times. But the moment he had to draw that damned syntactic tree, with its branches for sintagmas nominales and complementos circunstanciales , his mind became a tangled mess of vines.

“Mira. Te voy a mostrar algo. Es fácil… como un PDF que nunca existió.”

“Para Marcos. No te rindas. Ejercicio 1: ‘Aunque llueva, iremos a la playa.’”