The only way to cross that chasm is to faithfully and regularly keep presenting the truth about God. Truth dispels ignorance. It's not uncommon for people to stay in this state of contemplating change for two, three or four years. A study of new years resolutions found that the majority of people make the same resolution three years in a row. One of the powerful ways that we can bless others is to help them significantly appreciate the blessings they could enjoy from repentance and change.
People change when the benefits out-weigh the negatives.
Some people remain stuck for the rest of their lives. They pay the price in lost joy, lost relationships, and some even lose their physical life and others lose their soul and are turned away from Heaven for the rest of eternity. A very stiff price to pay for refusing to repent and change. Thanksgiving is a wonderful time to re-call and thank God for all the positive changes He has made possible in our lives. The third stage of repentance and change is to take the plunge.