5 marriage mistakes couples make without realizing it — and how to avoid them

The secret to a happier, longer-lasting marriage may involve much more than chemistry and compatibility.

Recent research published in the journal Family Process found that improvements in communication and emotional safety were linked to greater relationship satisfaction.

Maintaining that connection takes effort, particularly as couples settle into routines and begin to feel as though they already know everything about each other, according to Tammy Nelson, Ph.D., a board-certified sexologist...