If the 7th house(house of marriage) is severely afflicted or its Lord is afflicted, debilitated or weak and placed in the evil houses, severe problems in married life may cause separation/divorce as per astrology. If Venus and Jupiter are severely afflicted, problems in married life can lead to separation. Mangal Dosh may cause verbal or physical fights and quarrel in married life. If Saturn is associated with 7th house or its Lord and placed in evil houses, it will cause severe dissatisfaction in married life. Rahu, if associated with 7th house or its Lord and placed in an evil house, it may cause separation or divorce by astrology prediction. If Ketu is associated with 7th house or its Lord, it may cause dissatisfaction or detachment, which may, in turn, cause divorce as per the horoscope in astrology. The 2nd house(house of family), 4th house(house of domestic peace) and 12th house(house of bed pleasure) are afflicted, problems will arise in married life. All the yogas must be analyzed in Navmansa chart as well.