They usually also have poor communication skills. Typically, divorcing couples have been going through difficult times for a long time and have known the difficulties in their marriage for a long time, but due to lack of communication, the problems get worse. Some couples even prefer to use the technique of communication avoidance, which involves not talking about problems in the relationship. Deep down, they think that by not mentioning any problems they might have, the problems will go away. It's that simple. Some partners have a poor assessment of their partner, assuming that their spouse's character traits or annoyances will disappear or change over time.