He made a man and a woman. That is the only basis for marriage, and that's why we know that homosexual behaviour and desire is evil, a perverse and unnatural deviancy. Paul couldn't write about homosexuality in the way he does in Romans if he didn't have that historical basis. There is another aspect which has to do with the family and it is the reason many Christian families go to pieces or the kids go astray. In the majority of Christian homes today it is usually the mother who teaches the children spiritually.
Mothers are just as much to blame for taking it on themselves.
One of the things that happens as a result of this role reversal is that the sons often stop coming to Church, though the daughters may keep coming. Then the Christian girls have no Christian boys to marry, and so end up disobeying the Lord by marrying non-Christians. Many girls go to the mission field, but not many males. A major reason why there are so many problems in Christian families today is that fathers have not take on the responsibility of being priests in their household as they are commanded. A father is to be a priest to his wife and children.