Honestly, I feel you.

I have a case of extreme bad luck in general, and nobody understands that, no matter how I try to explain it. They just shake it off like, "ahh tomorrow will be better", or "you just need persistence".
While all is crumbling around me.

Thing is, find something, someone you like, and hold onto that.
Always try to have a way forward, a plan, a goal, what stands closer to you, to have something to go for.

Focus on that and try to see the minor good things too, the little good things.
There are lots of them.
Try to think about them at the dark times.
They can give strength.

At least that is what I do.

The world will not change.
We need to, a bit.