There are two emotions most humans will spend their entire lives avoiding or chasing. Many will avoid sadness and many will chase joy.
It's only human after all to avoid discomfort and pain and pursue comfort and happiness, though we know growth happens when we leave our 'comfort zones' and trials can lead to our greatest transformations.
Allah qualifies the two emotions of sadness and joy, which He tells us He has enabled us to feel in Sura...