The paradox. Man is impure because of contact with dead. Dead cow’s ashes purify. Impurify the Kohen in the process. Exposure therapy. The ashes of the part of myself that had to die, now, mixed with Torah, is my purification. Is my harnessing my animal for Gd. Zooming out, black and white. Separation for greater unity. Even if you have servants, prepare something for Shabbos on your own. Sharpen your knives. Say this is in honor for Shabbos when you buy and have it in mind when you prepare. Buy on Friday, unless you need it for prep, then buy Thursday. Taste the cooked food.