You may say that I have faith in God because of the Love Jesus showed me dying on the cross. This love that leads you to believe in God will not keep you obedient. The next day and several weeks later when you find out that it was Jesus who spoke the 10 Commandments, and that it is Jesus whom will Kill the people that He catches eating pork when He returns (Isaiah 66:15-18), it will be that fear of being killed, even unto the 2nd death (Revelation 20:12-15) that will cause you to say, “that bacon and Ham sandwich just isn’t worth it!”
Some people can keep their hands to themselves because they love their neighbor just as they love themselves and therefore would never sleep with someone else’s spouse. However most people that do not commit adultery it is out of fear of repercussions. Weather it is fear because the wages of sin is death (Romans 6:23), or you fear what the husband (or wife) may do to you. This fear is instinctive because this also is written in the Bible.