A couple years ago when I was an L2 candidate, I was burnt out and ready to throw in the towel. I came across this clip and found it very uplifting. I have never watched this movie nor do I intend to, but still it’s a pretty awesome clip.
https://www.youtube.com/watch?v=hyhPinv7ry8
Put trust in the time you’ve put in, and give it your absolute best. There is light on the other side, and you’re closer to it than you know.