I from now on will also not drive out from before them any of the nations which Joshua left when he died. (Judges 2:21)

Unforgiveness, backsliding, disobedience can make us lose God’s protection around us, and it is a dangerous thing to lose it. To keep this hedge around you, you need to keep a constant fellowship with God through the spiritual disciplines of prayer, Bible study, holy living, and doing His will.