Depression is not just an emotional state but it is a state affecting mind and body together influencing your social life and professional life. A negative situation or a build of negative sentiments or stress could lead to depression and sometimes it is more to do with the biological state, not having control of the level of substances in their brain that is adding to the depressive symptoms. Know when counseling for depression becomes necessary for a person who is in depression.
https://www.betterlyf.com/articles/depression/when-counseling-for-depression-is-necessary/