Question: what are 1 2 and 3 john about?
Answer: 1 John was written “so that” we may have fellowship with God the Father, his Son Jesus Christ and with other believers (1 John 1:3), “so that” our joy may be complete (1 John 1:4), “so that” we may not sin (1 John 2:1) and “so that” we will not be deceived (1 John 2:26).