> Could someone please help me? I've been feeling depressed lately and I don't know why. I just found myself, a few minutes ago, crying in my room for no reason. I feel like I'm about to fall apart. If anyone has any advice, I'd appreciate it.

You can do yoga which will help you to never get into depression-it is a medicine for the mind.
Alternately listen to light music and also watch cartoons/animation not character features for sometime.Also you coud take a walk on the beach front if you live near a beach or take walk in a park with a duck pond and feed the ducks you may feel light and fine.Lastly try hard not to think negative and also think absract for a while.Imagine good people,good things,good happenings all good thing that happend to you during your life until now.