At the age of 12 you are going through some strong emotional times. I remember that I was always upset, angry or sad when I was 13. In my case, it wasn't so much depression as it was raging hormones. But Karen is right, depression can strike at any age. There are studies showing that even babies and infant can suffer from it. There are ways you can find out if you are suffering from it online. And therapists are there to help other people's problems, no one does it alone.

When you're the age you are, people think your life is so easy and free of responsibility. But I remember feeling very strongly about things and feeling lots of pressures that I still feel today. The thing is that as you get older you stress about different things.

I think the biggest thing I've learnt as an adult is to simply let go of what I cannot control. You can't control that other girl's behaviour, you can only act in a way that's true to you. As you grow, you will find yourself caring less and less about what others think of you. There's only so much you can do about it.

I loved art in school and in HS took every single art class available. I went to university and majored in it. However, art is amazing to me because you can find it in everything. Look at Leonardo da Vinci, not only a great artist but an engineer, scientist and mathematician. The best artists are the ones who can see that art is in everything. Science is amazingly beautiful and inspiring for art. I used to do anatomical drawings for science projects, and my teachers loved it. If you really love art, you'll find ways of incorporating it into other subjects. You are young, and you should not limit your choices yet. There is still so much to learn and be amazed by.

I would ignore some of the less compassionate posts on here. Everyone deals with stress, depression and anger differently.