“Our advice is: Never give up [because] nothing is perfect, don’t sweat the small stuff, never stop communicating, and never go to bed mad,” wrote a pair of high school sweethearts married 40 years.

“Keep God at the center of your marriage and have fun together. Don’t forget to be best friends [and] laugh at the little things,” another kindly couple advised. “Stick together through the hard times [and] good times will eventually come again.”

“Unspoken expectations are premeditated resentments,” a well-wisher warned. “Be nice, communicate wants and needs.”

“Be quick to forgive and say, ‘I’m sorry,’ ” suggested longtime lovers of 43 years.

“Always respond to your partner’s bids for attention,” another urged. “If they say the sunset is pretty, drop everything and enjoy it together. If they ask if they look nice, truly take a moment to take them all in and give them a compliment. If they give you a quick hug, hold them longer. These small moments matter for intimacy.”