Doing things without overexertion” is by no means about being lazy. It’s about identifying the constants, adjusting your variable range within the constraints, and moving forward to achieve maximum efficiency.
Overexertion might give you a short-term boost, but it’s akin to borrowing energy in advance, leading to debts that pile up later.
Not overexerting yourself is surely the optimal design for keeping your system—yourself—running smoothly in the long term