ADJ-GRADED 恩爱缠绵的;卿卿我我的 You can use lovey-dovey to describe, in a humorous or slightly disapproving way, lovers who show their affection for each other very openly. 恩爱缠绵的;卿卿我我的 [informal, disapproval]
All my friends were either lovey-dovey couples or wild, single girls.