Am I Depressed Because I'm a Bad Person?

I find myself depressed again. Each time I end up here I try to figure out why I feel this way. So often it seems situational, no real constant, just random things that I perceive as failures, or proof of a lack of value.

This time though, I started wondering, am I depressed in hopes that the people I know and care about will notice and do something my way to make me feel better? Do I get depressed as a way to manipulate other people? If so, I may be a bad person. That is a terrible thing to do to other people, and they do not deserve that.

The trouble is, I don't know how to change it. This realization doesn't make me snap out of it, I cannot seem to just say to myself, "Well that tactic doesn't work, time to move on and try something else." No instead the realization just makes me even more depressed because I want to think of myself as a good person, but this pattern may indicate otherwise. I may just be lying to myself, and I'm actually a terrible person.