10. Long Term Sadness

Think of sadness and depression as 2-different types of runners. Sadness is a sprinter, and depression is more of an endurance runner. Psychology Today explains that in order to get a depression diagnosis, you must have had feelings of sadness continuously for more than 2 weeks.

Duration is not the only judge of sadness vs. depression – but if you’ve been struggling with sadness for weeks or months and can’t seem to shake it, it may be time to seek professional help.