Navigating the friction of resuming study after a hiatus

I’ve noticed a specific psychological friction that occurs when transitioning back to a routine after a hiatus. Is it more effective to treat this as a fresh registration of a habit or a continuation of the prior one? Focusing on the remainder of the syllabus often leads to burnout, whereas shifting focus to the immediate next step feels sustainable. How do you distinguish between 'catching up' and simply 'moving for