I can barely get any studying done because of how repetitive it feels like to me. For me it's just a circulation from flashcards -> textbook -> videos and it feels like an incredibly boring grind. I am only doing 3 subjects right now so I can't switch around that much either. I want to study like....4-6 hours a day but I only end up at about 1-2 hrs on average. I have a goal of what I want to do, but it needs significant investment of time/energy, which I could do if I was motivated, but again, it feels *really* boring. A little worried because I want to make the best use of these lockdowns. I'd let myself just rest for a few days and not worry about it much if this was a rare thing, but it happens whenever I'm trying to self-study subjects in advance before my school teaches them (exams are coming soon, school is crap).

Can I please have some advice to make it feel less like a grind/boring?