How the subcomponent elements work grammatically. Here are thousands of instances of our life is short, and i seriously doubt many of them are specific to the lives of, say, a couple living. They can be used to mean one.
5 Spiritual Meanings of Light (Symbolism)
A plural subject requires a plural object (lives), accordingly a singular subject requires a singular object (life). Look at it like this, 'he loves his life' and 'she loves her life' are obviously correct. I searched on google for personal and professional life versus personal and professional lives and the result for each is around 500,000 results.
I would say still life has undergone reification, which transforms it into a standalone word.
Now, when we we say 'people.