You're gonna make it. You gotta believe it. What is the alternative? Dropping out and doubling down on your odds for failure? No. Failure at this point is not an option for you. You've come too far. Gotta suck it up and get through.
Education is your passport out of "hell". You gotta get your stamp before you take your flight though, so go get it.
Here is a short inspirational video that I hope will help you through your day:
YouTube - Rudy and Janitor
Good luck.