The day soldiers stop bringing you their problems is the day you have stopped leading them. They have either lost confidence that you can help them or concluded that you do not care. Either case is a failure of leadership.
An exceedingly confident student would in theory make a terrible student. Why would he take school seriously when he feels that he can outwit his teachers?
Leaders set a very clear path every day, in a thousand different ways, of what the people must attend to, inhibit, and keep it current in front of them.