I don't think there is anything in this world you can compare to their moodiness. {{{HUGS}}} The bright side of this is that she will have a dd someday and saying the same thing.
Picture yourself on a rollercoaster in the dark. You never know where it's going to go and you can never get off. You just have to go along for the ride and it will smooth out eventually.
Luckily, my dd is starting the more gentle twists and turns.