
I'll probably never understand the human brain; or at least my own. What I'm talking about is why some days I'm very serious when writing an article and the next day, I'm in a completely different lighthearted mood. It's a bit confusing and impossible to predict.

I was taught to smile and please.
Is that okay?
Can't I be upset and cry?
Can't I shake my head and sigh?
If I open my mouth to speak
Is that okay?
Can I yell or whisper, jump up and down?
Can I stamp my feet and frown?
Stress hormone paradox may clarify teen mood swings Source: The Age
THIS might help explain why teenagers act like, well, teenagers.
Researchers have discovered that a hormone produced by the body in response to stress, which normally calms adults and younger children, instead increases anxiety in adolescents.
Teenage mood swing hormone foundSource: BBC News
Teenage mood swings are known to be down to hormones, but scientists claim they have identified the specific one that makes adolescents so volatile.