The reality is that married couples no matter in what stage they are of their relationship will continue to face challenges. Those who have reached their 15th year, however, may already be capable enough to endure the trials moving forward compared to those who are just starting out. When you're enjoying your 15 years of togetherness, one can claim to have learned the skills in managing the various aspects of their marital relationship such as negotiating with in-laws when it comes to holidays, calming kids who throw a tantrum and talking things out including personal issues.