小打小闹小任性小分小合小犟嘴
[xiăo dă xiăo nào xiăo rèn xìng xiăo fēn xiăo hé xiăo jiàng zuĭ]
Describes an intimate relationship characterized by occasional quarrels, small stubborn moments, and little spats; yet also includes splits and reunions, expressing the ups and downs in young lovers or friends' interactions, filled with liveliness and authenticity.