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Once we have called, our next step is to watch. He has never broken a promise and He is promising to show us great and mighty things we do not know. God finds joy not only in our asking but also in our anticipation that follows. Lets not rob Him of them!
The proverbial "leap of faith" is actually the size of a mustard seed. Keep going. And by the way, look at St. Augustine. Don't become disheartened that you made bad choices in the past; make the best choice you ever made by turning to the Lord-- watch as the Lord, through the Sacraments, reorients your life and puts a lot of broken pieces back together.