I have some pretty severe mood swings. I can be have the time of my life and then within an instant start crying like it is the end of the world. I do show some countdown signs to give Mommy and Daddy a hint that I’m about to have a meltdown. My mouth turns into an upside-down U and my eyes get watery. That gives them about 3-seconds to diffuse the situation.
Take this situation. I was playing with Daddy and having a ball. I was laughing and squealing with delight. Then in an instant I decided that I was not happy. Nothing changed except my mood. The video doesn’t show the delight before, just the meltdown after.