Never Accept a Knife
Nice knives are expensive, and most people would be delighted to be given a good set, especially if then enjoy cooking. According to superstition, however, accepting a knife as a gift is a terrible mistake. It might save your wallet, but it will doom your relationship.
Knives and other sharp objects have long been seen as able to cut through more insubstantial things. Before epidurals and anesthesia, women often put knives under the mattress when they went into labor in hopes of “cutting” down the pain of birth. While a less painful labor would have been a boon in those times, the mysterious cutting power of knives also extended to things that you did not want to see severed. In this case, accepting a gifted knife meant that your relationship would be severed, and you would be cut off from your partner. Not what Aunt Jackie likely had in mind when she bought those fancy blades.