Is your birthday on a 18th ? At first glance, people think you are quiet type of person. Actually you are cheerful, but conditionally. You will show your joyful character only in good mood. On the other hand, when you are moody, no one would dare to be around. Because of your emotion fluctuation and frank character, some find you hard to be around. You hardly show your feeling towards opposite sex. Your partner also has similar character so your love affairs often take quite a while to flourish. Your sincerity makes you very attractive.You come under the number 9 category. Theodore Roosevelt, Greta Garbo, Richard Nixon, George Stephenson were born under the number 9.