For example, married couples can benefit from tax breaks, including the ability to file joint tax returns and take advantage of various deductions and credits. Additionally, married couples can benefit from shared expenses, such as housing costs and healthcare expenses. Having two incomes can also provide greater financial security and enable couples to save for the future. 2. Emotional Support: Marriage can provide a strong source of emotional support for individuals. Having a partner who is committed to you through thick and thin can provide a sense of security and comfort.