The unknown writer of the gospel of John put the following words in Jesus' mouth, "blessed are those who have not seen and yet have believed."
Persuading countless generations that it is a virtue to believe incredible things on insufficient evidence, is one of religion's cleverest tricks.
The more incredible the claim; the more flimsy the evidence; the stronger the belief; the greater the virtue.
This is the exact opposite of how we operate in every other aspect of our lives.
Rational people must demand objective evidence for everything they are asked to believe. "Extraordinary claims demand extraordinary evidence".
Leaving the dogmatic claims of the Watchtower is only a first step. Unless somebody learns to reject the lure of faith they are doomed to substitute one set of myths for another.