Being split in two halves is no theory with me, Doctor. I have a human half, you see, as well as an alien half, submerged, constantly at war with each other. Personal experience, Doctor. I survive it because my intelligence wins out over both, makes them live together.
You're the captain of this ship. You haven't the right to be vulnerable in the eyes of the crew. You can't afford the luxury of being anything less than perfect. If you do, they lose faith and you lose command.
Yes, and what is it that makes one man an exceptional leader? We see indications that it is his negative side which makes him strong, that his "evil" side, if you will, properly controlled and disciplined, is vital to his strength.