最后才发现爱你是一种习惯
[zuì hòu cái fā xiàn ài nĭ shì yī zhŏng xí guàn]
The meaning behind this username is the bittersweet realization that love has become a habit, possibly hinting at the end of a relationship. It describes the moment when one realizes they've been in love for so long that loving this person has turned into an unconscious habit.