Common causes for breakups include personality differences, lack of time spent together, infidelity, lack of positive interactions between the couple, low sexual satisfaction, and low overall relationship satisfaction. Ending a relationship is one of the most difficult things we have to do.

Why do relationships suddenly end?

In any case, your life paths may change somewhere along the way. “One common reason why perfect relationships end is a lack of connection on one or more important life issues,” Dr. She says that people are often so happy and connected in the early stages of a relationship that they think their partner is ideal.