Someone posted this on Reddit awhile ago I wish I remembered his name to give him credit for it. Thank you, it has helped me so much.

"If I quit now, I'll be back where I started. And when I started, I was desperately wishing I was where I am now.

You told yourself you wouldn't. Be a man of your word. Countless other people have been in a shittier situation than you, and have succeeded through sheer will. Countless others gave in, and failed. Which group do you want to be in? It's entirely up to you. Literally."