The first paragraph: Habits are hard to change. Are habits harmful to our lives? Nothing in the world is taken for granted. After getting used to it, maybe we forget to be grateful.

The second paragraph: the benefits brought by habit: the tacit understanding and trust between people; Life is orderly.

The third paragraph: Habits certainly bring benefits to our lives, but habits make us take others' contributions for granted. (transition section)

The fourth paragraph: Habits make us forget to be grateful. Forget the efforts of parents, forget the concern of friends, forget the hard work of teachers.

The fifth paragraph: the end, the key point.