Importance of Association
Association with the devotees of Lord Krishna leads to our association with Lord Krishna.
Devotional Service
If one renders even a small amount of sincere devotional service, Krishna becomes obliged to elevate such a person and what to speak of one whose entire life and soul has been dedicated to Krishna's service.
Service
When we become advanced, we recognize the service of other devotees and we develop our appreciation for them and it manifests in the form of friendship.
Love of God
Love of God is the real source of happiness and when one abandons that loving real relationship of God, he suffers.