I can relate to this a whole lot. I think what we have to do is first figure out if we want to try to keep going or not.
If you decide you want to keep trying though, here's some advice I can think of. Nothing will change if you do the same things everyday. Maybe you should try something different, quit some things you can quit if you think it's getting too repetitive. Add new things to do in your life like maybe a new hobby. Don't you ever have small things that are different in your everyday life that you maybe find enjoyable even if it's only a little bit? I think it's like playing the same game over and over again, it's the same thing every time, but there are small details that make every round different. There might be some things you could do to add a few sparks to your everyday life so it doesn't feel so boring and repetitive. At least that's how I think you could make your life more suitable for you.
I also feel like there is really no reason to live anymore and that my future will be the same old things over and over again. I honestly think I will eventually CTB but I am not at that point yet. You might think, "Well if the guy giving me this advice wants to die then how could it work?" I just thought of this advice just now thinking about some things someone told me and I think it's reasonable to some degree and could work. So if you want to try to live longer then try it out. Tell me how it goes if you want.
The choice is ultimately yours, it's your life, friend.