Venus in the 8th House indicates that the outworking of karma arising from emo­tional and sexual associations in other lifetimes is central to the current incarnation. This placement of Venus gives great depth to the emotions and makes a person capable of unconditional and unreciprocated love. People with Venus in H8 tend not to respond to physical attraction alone and frequently have long periods of celibacy. The attraction is to people who embody the energies their souls remember and retain a yearning for. There is no guarantee that the other party experiences the same sense of yearning or can match the intensity of the Venusian's feelings. It is the inequality of the situations which people with Venus in H8 are drawn which make them so prone to abusive treatment. Yet despite the lack of  emotional reciprocity people with Venus in H8 frequently benefit from legacies

http://www.dkfoundation.co.uk/dkfoundation/BookKarmaHouse8.htm