I follow the normal instructions and keep and use a certain amount of my mature starter and discard the rest as the guide says, but I always end up eventually with the same amount of starter in the end. What if I need more in the future? How do I increase my starter amount without throwing off the balance of flour, water, and mature starter? What if I need to bake 4 loaves of bread with my starter and I only have enough for 2? How do I keep it how things are now with my starter but just increase the overall volume? Would I just literally double the amount of what it tells me to do as long as I have the required amount of all the ingredients?