Catholicism is all about interceding between God and man. The Church does *everything* on God's behalf, because we lay folk are too "impure" to interact with God directly.
Sex outside of marriage is fornication. Adultery requires that one party or the other, or both, be married...just not to one another. Try reading a dictionary along with that Bible of yours.
This may come as something of a shock to you, but not every woman out there is satisfied with the idea of being a subservient little baby farm. Also, don't you see something slightly hypocritical about espousing your Christian point of view in a hateful (sin) and judgmental (sin) way? I can only assume that either you are Shirley Phelps-Roper, or that you idolize her. Shameful.