If she does have it, stress will exacerbate it. It will only get worse.
My first thought was that she used the silliness to hide her fear. It appears that she was going through Behavior Modification techniques to suppress the silliness, and in doing so the fear resurfaced. The fear was evident in yesterday’s interview.
I think China is pulling the strings to include being sure Tiananmen Tim is her 'minder' at all times. Scary sh*t.