Wouldn't say that. Sometimes it's part of her Headology, but sometime I think it's just how she is.
Let's take Carpe Jugulum as an example. Some thought she could have shown up when Oats celebrated the service to show her respect. Well, she wasn't there per se, but she attended as an eagle she had borrowed. This doesn't have anything to do with headology, that just how she behaves.
On with their heads! I'm the clown prince of fools
if you don't get the joke it's your loss
Love and laughter you see are the new currency
'cause greed's coinage is not worth a toss