"The Road to Family Missionary Discipleship" Ryan and Mary Rose Verret with Peter Jesserer Smith, Witness to Love (2023) 203 pages, $19.95   "Current efforts in standard [Catholic] marriage preparation are not working," write Ryan and Mary-Rose Verret, in "The Road to Missionary Discipleship: Forming Marriages and Families to Share the Joy of the Gospel." It's hard to imagine anyone disagreeing. In the last decade, my husband and I have attended nearly a dozen wedding celebrations of Catholic couples. Only three of them took place in church – two nuptial Masses and one Liturgy of the Word. The rest occurred at catering venues – outdoors, weather permitting. A curious journalist, I've always wondered to the couples (or their parents), why…