And then this;

Some of us equate possessions with wealth, perhaps driven by their tangible nature and association with social status.
I think true wealth lies in its power to grant us freedom and the ability to live as we choose.

The difference between joy and sorrow may lie in our interpretation.
Both can become so intense that we struggle to process them calmly and control our reactions. They can trigger similar physiological responses.
These similar symptoms can make it difficult for us to discern our emotional state.