Jim Bob and Michelle Duggar know a few things about covering up the inappropriate sexual indiscretions of their son.
But they also know a few things about marriage, having been together for over three decades.
How do the patriarch and matriarch of reality TV's most controversial family keep the flame of love burning after all these years?
They've taken to Facebook to share bits of wisdom on why their love is the "strongest and sweetest it has ever been!”
Scroll through the couple's five key pieces of advice below...
Put God First
"Individually pursue a close relationship with Jesus," the couple writes. "The closer we each get to God, the closer we each get to each other."
Never Go to Bed Angry
"Don’t let the sun go down on your wrath, which means don’t let offenses build up, but apologize and make things right quickly."
"Never say put downs or negative name calling, but instead, praise each other with a grateful spirit."
Keep It Simple
"Go out on regular dates and enjoy each other’s company."
Read Together and Stay Together
For their last tip, the parents of 19 kids (!!!!!) recommended a book for husbands and wives to read together: "His Needs, Her Needs" by Willard F. Harley.
Just Keep Procreating!
Jim Bob and Michelle didn't say this one themselves. But if you have 19 children, you never really have time to find any faults with each other. You never really have time for anything except parenting!