Try making your weekdays as low carb days and that should give you the benefit of indulging in carbs on weekends. Read up on Carb Cycling. It's principles seem really interesting and can be easily followed so that one's efforts does not go to waste when life happens and carbs are part of the menu. There's a few methods of how to do it, some do a 3 day system of Low Carb, Moderate Carb and High Carb and some take another approach with 4 to 5 days of Low Carb and then 2 days of High Carb.