How often do we need physical food?
Every day!
Taking in spiritual food daily is even more important because it affects our prospects for eternal life. ( John 17:3 NWT).
Fill your mind with God's Word and you will have no room for Satan's lies.
"Happy is the man... whose delight is in the
law of Jehovah, and in his law, he reads in an
undertone day and night." (Psalm 1:1, 2 NWT)
The Bible does not state specifically how often we ought to read it. However, it does record Jehovah's counsel to Joshua to 'read in the book of the law in an undertone day and night' so that he would act wisely and have success in carrying out his God-given assignment. (Joshua 1:8 NWT).