Andrew Wilson was frequently angry. But sons of prominent families like him had certain expectations to abide by, he was allowed to get angry for as much and as long as he wanted to as long as nobody else found out about it. Rules like that — regardless of their difficulty — provided him with a sense of comfort and security, rules were the order in a rather chaotic world that one could only govern with the means of power and money.
Power and money were never an issue for him.