I’m sure that FReepers, with their uncommon intelligence and wisdom, can come up with some excellent advice for this couple.
Scripture asks, “Can two walk together except they agree?”
My husband grew up Democrat and I grew up Republican. His family was poor and uneducated while mine was upper middle class. He joined the Army right out of high school, got an education and did well in life. When we married he was still Democrat but he has evolved over the years into a Republican. He realized several years ago that the Democrats didn’t have anything in common with his beliefs any longer. The last Democrat he voted for was Clinton. When he did that my first (and frequent) words were “how could you?” He thought the first term Clinton was the greatest until he opened his eyes and really saw what was going on. Since then he has voted Republican. He’s extremely conservative, probably even more conservative than I am, so the evolution was inevitable. He spent his early life as a poor conservative Democrat until he realized that he couldn’t stay there. Sometimes it just happens. :-)