10 Reasons Why People in Long-Term Relationships Call It Quits (3 of 6)

4. A failure to communicate

The key to success in any relationship is the ability to talk things out and develop ways to solve problems together. Once either or both parties stop doing this — or decide they’d rather shout instead of having a reasonable discussion — that’s the end of that.

5. Not compromising

Even if couples attempt to hash things out by talking, their relationship is dunzo if they stubbornly refuse to compromise. It is simply impossible for one of the pair to get their own way 100% of the time.