Married couples often rely on each other for emotional support during difficult times and can celebrate each other's achievements during the good times. Having someone to share your life with can help alleviate feelings of loneliness and provide a sense of connection and companionship. 3. Companionship: Marriage provides individuals with a lifelong companion to share life's joys and sorrows with. Having a partner to share experiences, make memories, and build a life with can bring immense fulfillment and happiness. Couples can support each other through life's challenges and celebrate each other's successes. Having a built-in support system in a marriage can make life's ups and downs more manageable.