This entire time our President has remained optimistic. He may get aggravated but it never overshadows his optimism. Every problem is just another obstacle for him to get over around, or though and he's remained confident that he can do it every time.
We should all have that same attitude. We'll get through all of this one way or another. This is America, that's what we do here.
He's the toughest man in the world. Nobody else could withstand 24/7 attacks from all sides for over 4 years.