Stuck in a loop because of Anxiety!

I am a Male just turned 20 . I am going through a phase where I think I am completely sank to the the bottom. I am have akt of tension and stress of some family thing that I can't avoid and can't do anything but I have to face those things and I don't want to tell those publicly. But the thought of facing it is killing me .

The most important thing that is stressing me out is my career I am cs student 6 th sem . I was like a nerd kid but since last 3 years I haven't developed any skills or anything haven't done any internships it's just stressing me alot I don't know where to start . After 2 or 3 years if I am not in a stable position my family situation is going to change financialy .and I am stuck doom scrolling.

I also have a gf who thinks I am not stressing enough to do something and get out ooff this situation she doesn't know that I am trying I know I am not doing my best but I stuck and trying.

We are in a long distance from 6 moths and there is a guy she met . He made it very that he loves her want her to be his gf . She declined clearly. But they are still like very good friend . I am a very possesive guy and hearing this things makes me very uncomfortable. Yesterday she went to a hotel with her family the family suggest she should also ask that guy to be part of them and she asked him. She told me this today. I hated this I am feeling something in my chest k can't even explain it . I am sad angry confused I don't know. And o have already made it clear that she should have se boundary with that guy .even though the family suggested she should have said no that it wasn't necessary or something like that . Her family loves to include friends they are very kind it's not there fault they don't know what the guy thinks but she knows . Yet I don't know who's wrong who's right for her this is normal.

And yes back to the career every fucking thing depends on this yet j am not able to do stuff . And I think my anxiety is the issue.

The thing I told above is just like 5 % of the anxiety reasons there are many more like parents health , our current house to many issues that I start shaking And avoid everything and start to do random shif like doom scrolling or gaming or anything that makes me stop thinking about this stuff .

How the fuck can I get out of this loop .