I don't know how much this will help, but when I had the same problem I had to bruteforce myself to stay focused and study. However, it could be a sign of burn out, maybe take 2 or 3 days off and relax a bit?
Bruteforce really should be the last ... in your prep. When you bruteforce, you want to plug in ... call for. But more importantly, brute forcing doesn't change when ...