伴久了会依赖爱久了会厌倦
[bàn jiŭ le huì yī lài ài jiŭ le huì yàn juàn]
This means 'After being together long enough there might be reliance; once in love for too long there could be weariness.' Reflecting on both positive dependency in a partnership and negative potential boredom after years of being in the same relationship.