this adventure besides a love affair

Instead of returning directly home, D'Artagnan alighted at the door of M. de Treville, and ran quickly up the stairs. This time he had decided to relate all that had passed. M. de Treville would doubtless give him good advice as to the whole affair. Besides, as M. de Treville saw the queen almost daily, he might be able to draw from her Majesty some intelligence of the poor young woman, whom they were doubtless making pay very dearly for her devotedness to her mistress.
M. de Treville listened to the young man's account with a seriousness which proved that he saw something else in this adventure besides a love affair. When D'Artagnan had finished, he said, "Hum! All this savors of his Eminence, a league off. Nothing, absolutely nothing, at present, but quitting at Paris, as I told you, as soon as possible. I will see the queen; I will relate to her the details of the disappearance of this poor woman, of which she is no doubt ignorant. These details will guide her on her part, and on your return, I shall perhaps have some good news to tell you. Rely on me."
D'Artagnan knew that, although a Gascon, M. de Treville was not in the habit of making promises, and that when by chance he did promise, he more than kept his word. He bowed to him, then, full of gratitude for the past and for the future; and the worthy captain, who on his side felt a lively interest in this young man, so brave and so resolute, pressed his hand kindly, wishing him a pleasant journey.Besides, it came into the young man's mind that by remaining in the environs of the spot on which this sad event had passed, he would, perhaps, have some light thrown upon the mysterious affair. At the sixth cabaret, then, as we said, D'Artagnan stopped, asked for a bottle of wine of the best quality, and placing himself in the darkest corner of the room, determined thus to wait till daylight; but this time again his hopes were disappointed, and although he listened with all his ears, he heard nothing, amid the oaths, coarse jokes, and abuse which passed between the laborers, servants, and carters who comprised the honorable society of which he formed a part, which could put him upon the least track of her who had been stolen from him. He was compelled, them, after having swallowed the contents of his bottle, to pass the time as well as to evade suspicion, to fall into the easiest position in his corner and to sleep, whether well or ill. D'Artagnan, be it remembered, was only twenty years old, and at that age sleep has its imprescriptible rights which it imperiously insists upon, even with the saddest hearts.
Toward six o'clock D'Artagnan awoke with that uncomfortable feeling which generally accompanies the break of day after a bad night. He was not long in making his toilet. He examined himself to see if advantage had been taken of his sleep, and having found his diamond ring on his finger, his purse in his pocket, and his pistols in his belt, he rose, paid for his bottle, and went out to try if he could have any better luck in his search after his lackey than he had had the night before. The first thing he perceived through the damp gray mist was honest Planchet, who, with the two horses in hand, awaited him at the door of a little blind cabaret, before which D'Artagnan had passed without even a suspicion of its existence.