"Most people believe that marriage is the cure for loneliness, but I want to warn you: You began battling the dreaded foe of isolation as soon as you drove off on your honeymoon. Isolation has reached epidemic proportions in the most intimate of human relationships. Isolation not only leads to divorce, but it also saps the strength from millions of marriages that still appear intact".....
https://www.familylife.com/articles/topics/marriage/staying-married/commitment/married-and-lonely/