quality of life
noun /ˌkwɒləti əv ˈlaɪf/
  /ˌkwɑːləti əv ˈlaɪf/
 [uncountable]- the level of health, comfort and happiness that a particular person or group has
- Their quality of life improved dramatically when they moved to France.
 - He gave up his high-flying job and now enjoys a better quality of life.