There is no denying that love and habit have a gray area, a space for the chemical reactions of transformation and restoration. When the molecules are stable, there is no need to rack one's brains. But people often cannot figure out the relationship between love and habit, cannot give up the emotional attachment of whether it is love or habit, thus binding their own hearts and being unable to open up. They may also suffer from委屈and伤害but cling to the excuse of "love".