high-maintenance
High-maintenance (adjective) means of a person, needing a great deal of attention, reassurance or effort to keep happy. Example: “He's high-maintenance: three texts a day or he assumes something is wrong.”
How to use high-maintenance
Learner’s notesIn plain EnglishNeeding a lot of looking after.
Informal; the person sense is judgemental, the object sense is neutral.
Fill the gap
Can you complete this real example?
He's _____: three texts a day or he assumes something is wrong.
Etymology
According to the Random House Historical Dictionary of American Slang, the figurative sense was popularized by the 1989 romantic comedy When Harry Met Sally....