Faith will come as you hear from Him. the Prayer of faith is prayed once but the prayer of fellowship with Him and listening to His direction is continual . He is always speaking we just need to tune in to what He is saying. . I like to do it this way.
I say while in a quite place. The Lord loves me and wants me to know. Then I shut up and write down what I get impressed on my heart and mind. Then roll it over in your mind and see what the reply does for my clarity of direction , Try it