If God had always done exactly what you had asked of Him, you would have no problem with faith. Your faith in God would remain unchallenged.
But your faith in God has been challenged. And the challenger is called unbelief. Unbelief is your human nature's direct attack against the true nature of God, trying to convince you that God is not who He says He is.
givemethatmountain.org/article/faith-and-unbelief-day-sixty-three/
This browser does not support the video element.