Why did Misty leave Pokémon?

Why did Misty leave Pokémon? Viewers learned that Misty had been hard at work as a Gym Leader, with so many trainers challenging her that she needed a break. She ended up leaving her sisters to help keep things running while she traveled with Ash across the islands.

Viewers learned that Misty had been hard at work as a Gym Leader, with so many trainers challenging her that she needed a break. She ended up leaving her sisters to help keep things running while she traveled with Ash across the islands.