I will, for one year... in fact for the whole of the next financial year... NOT buy any pattern, fabric, thread, wool, book (craft) or unremembered related object. NOTHING!
Excepting... if I need a zipper, or a matching cotton for machining (which is unlikely since I have all of my own and my mother's stash), if I need a button or related notion, or indirect things of that nature.
UNLESS, I lose the weight I have gained and get down to 11 1/2 stone, whatever that is in k's. Then I'm allowed (by personal decree) to buy (only) the wool to knit this jumper. I am determined to do it and accidently bought the book in anticipation, before the pledge kicked in. The other thing I waited for is some gorgeous Yak wool for this jumper which I am about to begin, straight after the baby blanket is finished (next week). It's all very exciting.