How do I know that I am suffering from depression?

Anonymous
I lost my job back in Dec 2013, I was making $14.50 an hour. I had to find a job quick so I went back to my previous job which I am currently at making $10.55 an hour. I really hate my job. The workload is pretty big and there's not enough help in my department to get it all done (corp doesn't want to hire more people). Since going back I think my attitude has changed for a few things. I feel like I have no passion in my life to go after something as a career. I do not know what to look for. I feel like I am not a man so to speak because now I am making less than my wife and I'm not the sole provider for my household. I don't make love to my wife anymore because I don't feel like it 95% of the time. Not only this stuff is come to pass but I got married last year and had a kid, so the lifestyle change has been pretty difficult for me.

I feel like I should try taking a antidepressant. My mom has been taking them for the past few months to get over a horrible accident that my brother was in and she said it's working out great for her and that she doesn't feel miserable like she used to. She offered some to me after she noticed something was wrong. I said no because I don't want to become dependent on them, to the point where if I don't take them I'm just miserable mess. Can anyone help me out? Do I sound depressed?
How do I know that I am suffering from depression?
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