Every wedded couple faces ups and down during their married life. When you guess before time, what these relationship issues might be, you'll have a better chance of overcoming them.
The long lasting couples have learned that intimacy is important to keep their love life going on. They stick on there, tackle the issues, and learn how to work through the complex issues of everyday life. Many do this by reading self-help books and articles, attending seminars, going to counselling, observing other successful couples, or simply using trial and error.