 Men and women are busy hacking down branches and loading up a donkey with them. The best thing about growing worms is that it's not for too long, Bibi Khan explains. When the worms are a week old, they're weighed out, and however many grams we get of worms determines how many kilograms of cocoons we end up with. At that stage, they all fit on a trestle table in one room, but now they've taken over the whole house. My mother-in-law and the rest of us, we're all eating and sleeping in that small room over there. The worms are everywhere else.