Bhagavad Gita, Chapter 10, Verse 9

With their minds wholly in Me, with their senses absorbed in Me, enlightening one another, and always speaking of Me, they are satisfied and delighted.

Real contentment here comes from something shared out loud between people, not from a private, solitary feeling.

Talking, teaching, and simply discussing this source with each other is described as its own genuine source of joy. Devotion is shown as something practiced together, not kept silent.