1.Tell someone Ты truly trust about your trouble.
2.Talk to your friends.
3.Go outside (somewhere Ты can relax when Ты visit) and don't say I am not in the mood.
4.Cry when Ты feel that Ты need it and don't think crying is weakness.
5.Bring a piece of paper and write/draw whatever Ты want .
6.Take a душ with a cold/warm water .
7.Listen to classic Музыка .
8.Drink a Фрукты сок или anything cold.
And in the end remember that life goes on and never stops ...You have to live it as it is and it's your choice to be happy или sad :)