How to deal with depression/anger?

So as of yesterday night for work, I started to feel “off”. Most likely depression and I know prayer will help with that. My thing is, I don’t know if I’m asking the right way for praying. I’m trying to be faithful to god, I told him I was fine being alone and I didn’t deserve anyone (like a girlfriend or wife) in the future. I want to say I’m trying but maybe I’m not trying my best. I get angry quick, I feel lonely, but feel so lost in terms of love and all that, that I’ve told God to just kinda forget it. I don’t deserve anyone. I don’t want a wow was me kinda thing, I just need advice on what to do to feel better. Because I feel like I’m trying, but maybe I’m not trying hard enough.