Season The Steaks On Both Sides With Salt And Pepper. In A Small Bowl, Mix Together The Garlic And All But 2 Teaspoons Of The Mustard. Place The Steaks On A Plate, And Spread Half Of The Garlic Mustard Mixture Over One Side Of Them. Let Stand For 30 Minutes. Heat A Large Skillet Over Medium-High Heat. Fry Bacon Until Crisp, Then Remove From The Pan, Leaving The Grease. Crumble The Bacon And Set Aside. Heat The Bacon Grease In The Skillet Over Medium-High Heat, And Add Olive Oil If Necessary To Cover The Bottom Of The Pan. Fry Steaks Mustard Side Down For About 5 Minutes, Until Golden Brown. While The Steaks Are Frying, Spread The Remaining Garlic And Mustard Over The Top. Flip The Steaks Over, And Fry For About 2 Minutes, Until Browned. Remove Steaks To A Serving Platter, And Keep Warm. Keep The Skillet Over Medium-High Heat, And Stir In The Rosemary, Whiskey, Reserved Mustard, Worcestershire Sauce, Brown Sugar, And Lemon Juice. Simmer For About 2 Minutes. Top Steaks With Crumbled Bacon And The Sauce, And Serve.