As James and John grew older didn't they recieve some teachings from the Essenes ? who were on the Northern Banks of the Dead sea
I know they grew up on the East side of the upper Jordan River in a little village named BETHSAIDA
John was the youngest of the 12 disciples
John responded to the spirit of Love that Jesus Expressed
Jesus recognized this and continued to teach John
AFTER THE RESURRECTION AND ASCENSION
polycarp a disciple of John leave little doubt that John the apostle the son of Zebedee wrote the Fourth Gospel
when John wrote the accounts of Jesus works he understood the spiritual principles behind them .
most of his messages revolved around the last week of Jesus ministry to the Jews .
John was active in Ephesus
and surrounding towns