There are many realized vaisnavas who wander over this earth sharing their realizations, and who are nourishing the devotional creepers of their dependents. You should include hearing from them as the primary foundation for your devotional service. By showing the Lord in your heart that you are dependent upon the means that He offers for your advancement, He will help you to come closer to him. This is sraddha. Make the extra effort required to hear from them. Supersoul will surely help.
Collected Letters Written to Friends and Disciples Vol 4, Pg 46, 2nd paragraph