滥情不如无心
[làn qíng bù rú wú xīn]
It means that indulging in excessive and trivial feelings is not as good as being heartless or free of affection. This kind of net name conveys a kind of cynical attitude, possibly hinting at some disappointment and pain experienced by oneself after a failed relationship, reflecting the pursuit of indifference and carelessness towards the troubles of emotional relationships.