Forget the coronations, the conclaves of cardinals, the pomp and processions. This is how the world changes: a counter pushed across a table, a pen stroke that alters the force of a phrase, a woman's sigh as she passes and leaves on the air a trail of orange flower or rose water; her hand pulling close the bed curtain, the discreet sigh of flesh against flesh.
The thing people don't understand about an army is its great, unpunctuated wastes of inaction: you have to scavenge for food, you are camped out somewhere with a rising water level because your mad capitaine says so, you are shifted abruptly in the middle of the night into some indefensible position, so you never really sleep, your equipment is defective, the gunners keep causing small unwanted explosions, the crossbowmen are either drunk or praying, the arrows are ordered up but not here yet, and your whole mind is occupied by a seething anxiety that things are going to go badly because il principe, or whatever little worshipfulness is in charge today, is not very good at the basic business of thinking. It didn't take him many winters to get out of fighting and into supply. In Italy, you could always fight in the summer, if you felt like it. If you wanted to go out.