posted March 18, 2007 01:43 PM
Daydreamer...It´s funny but my boyfriend has his venus and sun ( ending of house) on my 12th house, just like you asked ...
On the site called http://www.astrologymatch.com/love-marriage.htm#Love%20Match%20Report%20for%20Wayne%20and%20Pam they say :
" for those who have an interest in past lives, karma, reincarnation. Do you have a karmic tie with another? Look for the person’s planets in your 12th house, especially Venus, for example, which means: This combination indicates that you share a karmic tie, and you are very sensitive to each others needs. You share an interest in psychic and spiritual matters, and may even be able to communicate telepathically. Each of you will be supportive, sympathetic and compassionate towards each other."
So,curiously this is exactly what i feel with my boyfriend, we met online and even then we were very close,as if our thoughts communicated telepathically,and now is the same thing. I dont feel confused or crazy about aspects of him, but always sensitive to him and his dreams and needs. He knows what i feel and am , without speaking. By looking to each other, we know our truths!
I think that those confusion maybe happens because of this ( taken by another astrology site):
Example: wayne´s sun in Pam´s 12nd house
This combination indicates that you share a karmic link. You have a mutual interest in psychic or occult matters, and you may even share a telepathic connection. Your influence on each other is largely determined by whether the Sun in Wayne's natal chart is well-aspected, as well as the balance of "positive" and "negative" contacts in the relationship. If Wayne's Sun is well-aspected, and if a more harmonious comparison, Wayne can help Pam explore and discover Pam's deepest unconscious motivations. Pam, in turn, can share intuitive impressions and spiritual insights with Wayne. If a more difficult comparison (or if Wayne's Sun is heavily afflicted natally), Wayne may confuse Pam and may seem unreliable. "
Hope to have been helpfull 
Stay Well