Negativity in the face of adversity exposes your lack of reliability
When you are in a sticky situation...you don't have the time to reassure those around you that everything will be okay.
As a leader, you need to stay confident about the situation and use proper perspective. Be prudent and positive.
One of the hardest things about leadership is discovering someone's lack of reliability/loyalty when faced with adversity.
Adversity does not build character, it reveals it.
-James Lan Allen