The Son of God fasted because He knew there were supernatural things that could only be released that way.
Many times the rewards of fasting come after the fast, though from time to time answers can come during the fast.
Never speak words that allow the enemy to think he's winning.
Fasting keeps you sensitive to His (God) Spirit, enabling you to live holy.
Fasting is a constant means of renewing yourself spiritually.
Failure will not stop you if you are determined to succeed.