Ermaan could tell that the soldier had just been newly appointed as a captain and he was trying his level best to look as amicable and approachable as he could, but all in vain. As the decades of strictness he has been through was coming on his way. Ermaan stayed there for a night, not because he had to sleep, but because it took him an entire night and half of a day to get on even terms with Ethros, to whom he had abandoned previously.
Well, that's how tricky situations are, in one moment you are the King, the other moment you are the beggar. In his case he has to beg in front of his own horse, who carries more ego than he, himself has ever carried and thus it took all of his might to convince his horse to move.