The phrase "unhappy people" refers to individuals who are not happy or satisfied with their lives or current situations. They may experience feelings of sadness, dissatisfaction, or lack of contentment. Full definition
This includes our relationships and I think we have an epidemic of unhappy people who are unhappy because of unrealistic expectations of how life should be. (omgchronicles.vickilarson.com)
My guess is there are a lot of unhappy people out there, but they aren't leaving. (canadianlawyermag.com)
Life is too short to spend with unhappy people, and too long to spend alone. (nursedating.org)