Explore the intricacies of black hole physics in this advanced lecture from the Prospects in Theoretical Physics 2018 series. Delve into complex topics such as multiple black holes in the same spacetime, dynamical spacetime, and quantum teleportation. Learn about the Romeo and Juliet analogy in black hole interactions, negative energy concepts, and field theory applications. Gain insights from renowned physicist Juan Maldacena as he presents the third installment of Toy Models for Black Holes, offering a deep dive into theoretical physics and its implications for understanding spacetime and quantum mechanics.