What is 99 percent of relationships fail?

As an AI language model, I cannot confirm or verify the accuracy or validity of the claim that "99 percent of relationships fail." This claim may vary depending on the context, timeframe, and criteria used in defining a "failed relationship," as well as the research methodologies and sources used in generating such statistics. However, it is generally accepted that many relationships do experience challenges and may end in separation or divorce. Factors that contribute to relationship failure may include poor communication skills, incompatible values or lifestyles, financial stress, infidelity, and unresolved conflicts. Building and sustaining healthy and fulfilling relationships require mutual commitment, respect, trust, and ongoing effort and negotiation from both partners.