The 20th century saw dramatic changes in attitudes toward what is considered to be proper sexual behaviour, aided by easy availability of birth-control pills.
Sadly, the percentage of professing Christians who engage in extramarital affairs and end their marriages in divorce is just as high, and sometimes even higher, than among non-Christians.
One of Jesus Christ's parables shows it's crucially important for Christians to be wearing the right kind of wedding garments — but what does that mean?