久腻必弃久爱必伤
[jiŭ nì bì qì jiŭ ài bì shāng]
The meaning behind '久腻必弃久爱必伤' could be summarized as 'Prolonged intimacy may lead to boredom and abandonment while lasting love might hurt'. It suggests that both long-term close companionship and enduring deep feelings come with potential emotional risks.