Devour means to consume destructively, demolish. Just think how many people believe all is well when in reality they are being destroyed or demolished by the devil, little by little. Watch for the warning signs in your life and in your home and make a stand—no matter what.
There are plenty of actions that cause either pain or pleasure, but it seems to me that many of these are the cords that Satan uses to pull us away from our Lord. In fact, Satan binds us to his snares by these cords.