Villains have an urge to gloat. There's something irresistible about twisting the knife that last little bit before finishing things. Rather than activate the needlessly complicated Death Trap right away, they will pause to outline their plan to the hero, often including information on how to stop it. This can give the hero the time they need to escape, but just as often the hero will simply sit there and wait. It's rude to interrupt someone when they're chat before trying to kill you. Many anime use this as a technique to drag out the fights. Examples of Just Between You and Me include: