Name something that your parents gave you which you can't return. No, not a hand-knitted sweater. (Although we don't recommend returning those either. It's best just to leave them in the back of a drawer to pull out during visits.) The answer we were looking for was your DNA. You are a unique combination (unless you're an identical twin, triplet, member of a clone army determined to take over the world, etc.) of your parents' genetic material...