Habit becomes second nature; what is accustomed becomes natural.
每天坚持阅读半小时，一开始觉得枯燥，但久而久之，习惯成自然，现在已经成为我生活中不可或缺的一部分。
Insisting on reading for half an hour every day felt tedious at first, but over time, habit became second nature, and now it has become an indispensable part of my life.
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