Actually I kinda like your reviews. Guess what? I've watched one of your videos of you reviewing Sades headphones before deciding to buy a Sades headphones myself. It's not the same exact model but I gained my trust in Sades through one your videos. And now you're here!
I have the same problem with you, man. I reached 500 subs on late August yet I've been doing YT for like 4 years. All I could say is just keep uploading the content you enjoy making.
Do you like to play games? Got that game that you really loved? Have ever been so determined to achieve something in that game? And actually made it? In the process of achieving it, you didn't care about how many people would see your journey and efforts in beating the game. You did it because you enjoyed everything about that game. You loved playing that game despite its difficulty and all the hardship it gave to you.
Say, you're playing Pokemon. And you loved it soo much. Of course, Pokemon sometimes could be tedious and extremely boring at the grinding part. You would say, "Ugh, this is taking too long! I'm not gonna make it to Pokemon League." but you wouldn't quit, right? Because you loved the game so much, you stayed persistent and eventually you succeeded and beat the game.
YouTube is basically the same thing. You need to enjoy and have fun doing it. YouTube should be more like a getaway rather than a duty. Just like playing games, it should be a temporary way out of stress and real world problems. If you feel like you're quitting, just think, am I actually enjoying this? Maybe you just need another type of content to upload that you'd find more comfortable with.
If you feel like "Ugh.. I need to upload something" and you find yourself suffering in the process of making a video, you better quit doing YouTube. It's for your own good and health. YouTube should not be giving you more stress
But if you do enjoy doing YouTube, then keep doing so! Your videos are actually really good tbh, just need a bit more eye-pleasing thumbnails and banner (not saying that yours were not good, but I believe you could to better). Your videos are better than mine yet I have 500 subs, maaan.. relax.. you'll get there soon, trust me.
Tl;dr
Your videos are already better than mine yet I got 500 subs. You'll eventually get more than me I believe. I say, umm... 1000 subs would be easy for you
. Create better thumbnails and channel arts. Just keep uploading, but only if you're enjoying it. Nuff said