Conjunction of Jupiter & Venus indicates that his wife may has sincere nature & she may be a good guide for native. But when Jupiter & Venus place in 12th house then both couples may have thoughts differences. Native doesn’t like advise of his wife, even his wife’s suggestion are very good.
Jupiter Venus conjunction in 5th house makes him religious & spiritual from nature. He may be very good healing capacity. Native has deep knowledge of various religious matters. He is well-versed in mantras and prayers.