Sadly, between 40 and 50% of new, first marriages are likely to end in divorce, often within 3-5 years. Second and third marriages are even more likely to end in divorce (over 60% for second marriages and over 70% for third marriages).
Fortunately, it is possible to learn new ways to communicate and to deal with differences with your partner. There is growing research about what works for couples that stay together and it's quite possible to apply what we've learned from happy couples.
If you are interested in learning how to improve your relationship skills before you get married, please contact me for more information