Sun in first house of horoscope makes a person proud and grumpy. He may be gouty and suffering from biliousness. He is playful, wise and migrant. But there may be strife in marriage life due to Sun in first house of horoscope. Its reason is proud nature of person, he can never bow to anyone, even if his/her spouse. If sun is exalted, the person can be a minister, wealthy and honoured by society.
Note: all result written of Sun in is based on Vedic Astrology and Shastras. The results may change according to twelve different Lagnas.