Despite the abundance of literature on self-acceptance and loving oneself, your most important relationship is NOT with yourself. If you want to be successful in business and in life, you must invest in your relationship with your significant other and achieve success in marriage.
If you happen to work with your partner, as I do, this is even more critical: discord in your primary relationship will have a direct effect on the business and prevent you from focussing on your shared goals. (And if you are single, the principles below can be applied to any relationship when conflict arises)