Book Reading
By only reading scriptures, without devotee association one becomes an impersonalist.
Vaishnava Aparadh
The biggest hindrance to our spiritual progress is Vaishnava Aparadh.
Love
Krishna loves us and some day if we tell Krishna, "Krishna, I Love You" then Krishna will begin to dance in ecstacy.
Learning
Accept what you lack. Appreciate what others have and give them credit for it.