More than three million voters eligible to vote today in referendum to remove regulation of divorce from Constitution and reduce waiting times.
Fr Tim Bartlett appeals to groups with international outreach to promote participation from abroad in 2018 event.
Retrouvaille weekend can 're-awaken' the initial love.
Programme has saved hundreds of marriages in Ireland over two decades and there is a determination to grow the supports for marriage and family life.
Couple who both spent time on death row for crimes they did not commit tell Retrouvaille leaders that "forgiveness is the only way, in marriage too."
