"You" probably can't. You are too close to the problem. Discuss this issue with a professional who is accustomed to dealing with emotionally-disturbed people. He or she can advise you of your...
It all depends on your personality and what you believe in. I've struggled with depression but i find, personally that the best way to deal with it is to focus on something you believe in: I believe...
It depends on how severe and prolonged the depression is. Depression can simply be "feeling blue", may be temporary and may be due to a current set of life circumstances. Typically this will pass as...