Ope, I completely understand the nostalgic pull of the kitchen tap, but your Italian friends are steering you right on this one. I used to rinse every single batch of noodles because old habits die hard, until I finally stopped out of sheer laziness one evening. Let me tell you, it was a total game-changer for my weeknight dinners. Without that cold water rinse, the natural starches stay right on the pasta surface. Instead of washing away your best asset, those starches act like a natural binder that helps your marinara cling to the noodles rather than pooling sadly at the bottom of the bowl. If you are worried about them clumping up while you prep the rest of the meal, just reserve a half cup of that starchy boiling water before you drain the pot and stir it into your sauce. You get all the comfort and way better sauce adherence.