If joy in God is so central to the Christian life, what does that mean for our joy in other people. How does the heart and mind of a Christian Hedonist spill over in love for others. John Piper explains several key texts that should shape the way we relate to and serve each other.
https://desiringgod.org/articles/how-does-joy-overflow-in-love
https://desiringgod.org/series/jesus-and-the-journey-to-joy