Okay, imagine that your body is like a car, and your brain is the driver. When you're driving your car, you're in control and you get to choose where you're going and what you're doing. Body hopping is kind of like playing musical chairs with cars - different people take turns being the driver.
So, imagine that someone else wants to be the driver of your car. They could try to take control and force you out of the driver's seat, but that wouldn't be very nice or safe. Instead, some people believe they can leave their own body and enter someone else's body, like they're hopping from one car to another.
They might do this for different reasons. Maybe they want to experience different things, or they feel like they need a break from their own body. But just like musical chairs, there's only one driver's seat, so they can't stay in someone else's body forever. Eventually, they have to go back to their own body.
It's important to understand that body hopping (also known as astral projection or soul travel) is not scientifically proven, and many people believe it's just a product of imagination or spiritual beliefs. Either way, it's important to respect people's beliefs and boundaries, and never try to take control of someone else's body without their consent.