If you are depressed you should visit somewhere outside of your room and take deep breath in fresh air. I bet it, it will help you.
Here is I want to share my experience with you people. I was very depressed and want to decide to go somewhere outside. Then I notice why don't I take some pictures around myself. This was the first:
If you wanted to find happiness in your surrounding I think you will find a lot, just you need to focus. See:
Beautiful :
Another Beautiful Image:
Feel Free to comment and give your Valuable suggestions, Thanks for your love in advance :)