8th house is dealing with secrecy, hidden, sexual life, sexual parts, uncertainty, fear, darkness, occult, mystic knowledge, death, rebirth, transformation, sudden up/down etc. & Mars is the natural lord of 8th house.

So by the placement of Rahu in 8th house means Rahu will try to become Mars & will inflate the martian energy of eight house means simply Rahu’s obsession is to involve in to occult, mystical energy. But actually this will be false state because Rahu cannot become Mars. so Rahu here will cause much harm.

Venus in the darkness of 8th house, person cannot enjoy the relationship, sexual life, ending the relationship, inability to express emotions, love, affection, Person cannot find true relationship.

Venus with Rahu in 8th house:

Causes lots of trouble related to maintain, establish & enjoy relationship. Cannot express his/her emotions to the loved one. Here, Rahu is anti-social, taboo breaker so they may have higher tendency to go antisocial in their sexual life. Moreover, Rahu is conjoined with Venus will always expose his/her secret life whenever s/he involve in to some legal or illegal relationship. These people should not dare to dive in to secret / hidden life otherwise their reputation would be at stake.

They usually cannot enjoy sex life socially. Albeit, this people may have excessive hunger, thirst, passion, urge for sex but always unable to establish smooth relations. If they have aspect of Mars over this conjunction, then they may have that passion to break taboo and may rape to satisfy their urge. Moreover, they may have their own unnatural ways to satisfy their sex drives.

Remedy: offer black til (seesame) in milk on shiva linga at least once in week