First of all, she is in good health, good figure, beautiful and hard-working. You know, all happiness is based on health. Secondly, most girls who love fitness are cheerful, objective and talkative. If you share the same interests, you won't get along well and work hard. Third, girls who love fitness are generally not so melodramatic. What they can do in life will not be done by you alone. Their spare time will be used for fitness, which will save them from online shopping failure.