The problem came up when I wanted to make some corrections to one’s paper.
… when someone is successful in their lives, …
Which I thought it should be life.
Here are some examples from dictionaries which made me more baffled when I wanted to understand whether to use the countable life or not. (Some of the sentences are actually the same)
To give someone more control over their own life or situation.
The idea that women should take control over their own lives or situations.
We shouldn’t make moral judgements about the way people live their lives.
The way people live their life.
Every aspects of their private life.
Every aspect of their private lives has been laid bare.
Millions have bought the book to spice up their sex lives.
Things that people use in their ordinary life.
They sacrificed their personal goals for their family life.
One may argue that it doesn’t matter if it is plural or not, it is uncountable nevertheless. Is that the case?
It would be great if someone could provide a detailed answer.