The victory over Bayern Munich was a seismic event, a result that sent shockwaves through the Bundesliga and the wider footballing world. But the relentless nature of the modern football calendar meant that there was little time to celebrate.

The international break was upon them, and Mateo, along with several of his Dortmund teammates, was called up to the Spanish national team for their upcoming European Championship qualifiers.

It was his tenth cap, a remarkable achievement for a player who had only just turned eighteen.

He was no longer a newcomer, a wide-eyed teenager in awe of his idols. He was a peer, a teammate, a player who had earned his place among the elite. The likes of Sergio Ramos, Andres Iniesta, and David Silva now treated him with a new-found respect, a recognition of his talent and his achievements.

The first match was a comfortable 4-0 victory over Luxembourg. Mateo played the full 90 minutes, scoring one goal and creating another. He was the creative hub of the team, the player who made everything tick. He was playing with a freedom, a joy, a confidence that was infectious.

The second match, however, was a different story. It was an away game against Slovakia, a team that was known for their physical, aggressive style of play. It was a tough, bruising encounter, a battle of wills as much as a battle of skill. And it was a match that would test Mateo in a way that he had not been tested before.

From the first whistle, the Slovakian players targeted him. They were relentless in their fouling, their cynical, off-the-ball challenges designed to intimidate him, to break his rhythm, to get under his skin. It was a tactic that was as old as the game itself, a crude but often effective way of nullifying a superior opponent.

But Mateo, who had faced the hostility of Istanbul and the pressure of the Allianz Arena, was not intimidated. He was frustrated, he was angry, but he was not afraid. He knew that he could not allow them to get to him, that he had to rise above their cynical tactics, that he had to let his football do the talking.

---

In the 38th minute, however, his patience finally snapped. After being fouled for the fifth time in the match, a particularly nasty, ankle-high challenge that went unpunished by the referee, he reacted. He jumped to his feet, his face a mask of fury, and he confronted the Slovakian player. He did not say a word, he did not raise his hands, but his eyes, blazing with a cold, hard anger, said it all.

The Slovakian player, a hulking, battle-hardened defender, just laughed in his face. It was a taunt, a provocation, a deliberate attempt to get a reaction. And it worked.

Mateo, in a moment of uncharacteristic madness, lost his cool. He pushed the player in the chest, a small, insignificant shove, but it was enough. The player, a master of the dark arts, went down as if he had been shot, clutching his face in mock agony. The referee, who had been lenient all game, was left with no choice. He reached into his pocket and produced a red card.

Mateo was stunned. He could not believe it. He had been fouled all game, he had been kicked, he had been taunted, and yet he was the one who was being sent off. It was a gross injustice, a travesty of a decision. But it was a decision that he had to accept.

As he walked off the pitch, the jeers of the Slovakian crowd ringing in his ears, he felt a sense of shame, of regret, of a deep, burning anger. He had let his team down, he had let his country down, and he had let himself down. He had allowed his emotions to get the better of him, he had fallen into the trap that had been so cleverly set for him. It was a harsh lesson, a painful lesson, but it was a lesson that he would never forget.

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Spain, down to ten men, went on to lose the match 2-1. It was a shock result, a major setback in their qualifying campaign. And the blame, fairly or unfairly, was laid squarely at the feet of their young star.

The media reaction was brutal. The headlines screamed of immaturity, of indiscipline, of a boy who was not yet ready for the pressures of international football. "The Fall of the Golden Boy," one paper called it. "Mateo Sees Red," another proclaimed. It was a stark reminder of the fickle nature of the football world, of how quickly a hero could become a villain.

Mateo, sitting alone in the locker room after the match, was devastated. He had never felt so low, so alone, so full of self-loathing. He had made a mistake, a stupid, childish mistake, and he had paid the price. He had let everyone down.

---

In the days that followed, he was a shadow of his former self. He was quiet, he was withdrawn, he was consumed by guilt and regret. He barely spoke to anyone, he barely ate, he barely slept. He was in a dark place, a place of self-doubt and self-recrimination.

But he was not alone. His teammates, his manager, his friends – they all rallied around him. They knew that he had made a mistake, but they also knew that he was a good person, a good player, a good teammate. They knew that he would learn from this, that he would come back stronger, that he would not let this one moment of madness define him.

Sergio Ramos, the captain of the Spanish national team, was particularly supportive. He had seen it all before, he had made his own mistakes, he had faced his own share of criticism. He knew what it was like to be the villain, to be the scapegoat, to be the target of the media's wrath.

"Listen to me, Mateo," he said, his voice firm but kind. "You made a mistake. We all make mistakes. It is part of the game, it is part of life. But what matters now is how you react. You can let this break you, or you can let this make you. You can let this define you, or you can use this as fuel to become a better player, a stronger person, a more complete man. The choice is yours.".

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