Im basically in the same situation rating wise but I don't feel like I'm stuck. Do you know what is making your play worse? Since I can grasp what im doing wrong, I generally am improving, so it should be the same for you
How do I get pass the 600 ELO mark?
“Hey, they’re threatening mate in one, let’s stop that, shall we?”
“I was about to put my Queen their, but that would allow him to fork my King and Queen with his Knight, so I won’t do that.”
And when they do those same obviously stupid things, go for the throat.

Dear Ramen,
I am a certified, full-time chess coach, so I hope I can help you. Everybody is different, so that's why there isn't only one general way to learn. First of all, you have to discover your biggest weaknesses in the game and start working on them. The most effective way for that is analysing your own games. Of course, if you are a beginner, you can't do it efficiently because you don't know too much about the game yet. There is a built-in engine on chess.com which can show you if a move is good or bad but the only problem that it can't explain you the plans, ideas behind the moves, so you won't know why is it so good or bad.
You can learn from books or Youtube channels as well, and maybe you can find a lot of useful information there but these sources are mostly general things and not personalized at all. That's why you need a good coach sooner or later if you really want to be better at chess. A good coach can help you with identifying your biggest weaknesses and explain everything, so you can leave your mistakes behind you. Of course, you won't apply everything immediately, this is a learning process (like learning languages), but if you are persistent and enthusiastic, you will achieve your goals.
In my opinion, chess has 4 main territories (openings, strategies, tactics/combinations and endgames). If you want to improve efficiently, you should improve all of these skills almost at the same time. That's what my training program is based on. My students really like it because the lessons are not boring (because we talk about more than one areas within one lesson) and they feel the improvement on the longer run. Of course, there are always ups and downs but this is completely normal in everyone's career.
I hope this is helpful for you. Good luck for your chess games!
I've been playing chess for 7 months now and I've been stuck at around 600 ELO the whole time for rapid. I don't usually play blitz and my puzzle is rated 1200. How do I break pass this barrier?