However, as Porthos had first found an idea, and had thought of it earnestly afterward, he was the first to act. He was a man of execution, this worthy Porthos. D'Artagnan perceived him one day walking toward the church of St. Leu, and followed him instinctively. He entered, after having twisted his mustache and elongated his imperial, which always announced on his part the most triumphant resolutions. As d'Artagnan took some precautions to conceal himself, Porthos believed he had not been seen. d'Artagnan entered behind him. Porthos went and leaned against the side of a pillar. D'Artagnan, still unperceived, supported himself against the other side.