Didn't you start this thread once before?
Probably. It's a really good song.
Oh c'mon...
All relationships have their ups and downs.
Emotions are important human experiences (duh). But what even are emotions? There are huge long books written on the subject, based on complicated research I'll never understand. But they always point to emotions being composed of several processes. Physiological, mental. Conscious and unconscious. No single emotion, like sadness, is one consistent "thing". They're sometimes strikingly familiar, but never the same twice.
It's important to note that we're not our emotions. How could we be, if they're not even a consistent, solid thing? And we don't have to be so affected by our emotions. They're experiences that have roots in our bodies and minds. So we lend them life, in a way. Sometimes it's unavoidable. Being human, existing as we do. Emotions will happen. But it's possible to investigate these emotions. Try to discover what makes them come about, what happens once they're here, and what sort of relationship we have with them.