Finally had enough

So I've decided I'm going to give it my all to overcome my social anxiety, paranoia and obessiveness. I've landed in the same hole I always land in, when my thoughts have dragged me down so much that I cant stop worrying, always second guessing peoples motives I feel like I'm never going to find the perfect girlfriend for me and all of my friends have moved on to newer friends and I'm stuck here alone because I cant socialize properly.

So my questions to you are, what advice can you give me?
What methods have you tried and have they worked at all?
I'm willing to try anything at this point.

One thing that can help is to recognise and change negative thinking patterns

10 Negative Thinking Patterns to Avoid | Balance In Me
"The following is a very brief summary of the 10 most common cognitive distortions.

1. All or nothing thinking. I also call this “black or white” thinking. Everything is all good, or all bad. There is nothing in between.
2. Overgeneralization. You tend to view any single negative thing as an eternal pattern of negativity. If one bad thing happens, the world is obviously coming to an end.
3. Disqualifying the positive. You can’t accept anything positive ever happening. So if something good happens, you always find a way to turn it into a negative thing, or explain why it was a fluke or it doesn’t count.
4. Mental filter. You filter out all good qualities of something so you can focus on the negative. In this way everything becomes negative.
5. Jumping to conclusions. You become a mind reader and a fortune teller. You interpret everything in a negative way without any supporting evidence.
6. Catastrophizing or minimization. You blow minor things out of proportion, and minimize positive things.
7. Emotional reasoning. You assume that your negative emotions and feelings reflect actual reality. If you feel bad, everything is bad.

8. Should statements. You try and mold the world to your vision of reality, instead of accepting the world’s reality. A very common version of this in relationships is, “If he (or she) loved me he (or she) wouldn’t ….”
9. Labeling and mislabeling. Overgeneralization in the extreme. You actually believe the overgeneralizations and make them reality in your own mind.
10. Personalization. You take things personally. You become very defensive at even the slightest perceived criticism.

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