Faith is the substance of hope - of things hoped for and the evidence of things not seen. So if you can hope for it and imagine it and keep imagining and hoping and seeing yourself driving a new car or seeing yourself getting that job or seeing yourself excel seeing yourself help that person - that is faith.
I had two family members involved in World War I: two great-uncles. One of them is on a memorial in France. And the other was a trench runner who survived the war. The average life span of a trench runner was 36 hours but he survived the whole war.