I think it's important to realize that your boss is human too and the same insecurities you have are also felt by your boss.

Especially junior employees think that there is more clarity at the top and that all decisions taken by bosses are done with their full control and approval, when in reality, the higher you go the less clarity you have and the more you fight for getting your approval heard.

Knowing this truth helps you understand your boss and build great relationships.