The Third Level being, can manifest on earth in the flesh for fifteen days, two weeks' vacation. That's a long time! The Third Level, they don't need to eat. They also don't procreate. They can use their power to create any friend or family member they like. Fifteen days is their visa. Fourth Level beings, they can stay 20 days. Even without food. They don't eat. Even if they're in the physical body, they could also manifest their own food to survive in this physical planet. 20 days. And the Fifth Level beings, if they want to come here to the planet to visit, or to help in manifestation, manifested in a physical body, they can stay 30 days without damaging their spiritual essence. Without feeling much pressure. 30 days, they can stay.