The 8th house of astrology & romance

If the 7th house is represents women in horoscope the the 8th house represents wealth as it is second from 7th hose, the alternate dhana karak.
At the same time if 7th house shows what you are seeking in close relationships between partnerships - love (Moon in 7th),  Romance or libido (Venus in 7th) , 8th house shows how you manage your sexuality and how sexually you are and what sort of sexual act you follows in bonding. 

Being a house of secret, it is also shows of corruptions, scandals and negative traits regarding unethical monetary gains via lottery and scandalous money. Being the house of deep secrets and root of Kundalini, it shows hidden mysteries and energy level of Mooldhara chakra we have in our body and any imbalance in 8th house energy can leads to imbalanced root chakra and disturbed Mental and financial life.