What happens to Misty in Pokémon?

What happens to Misty in Pokémon? Misty leaves Ash behind to become the sole Gym Leader of the Cerulean City Gym in Episode 273, according to Bulbapedia, after a long journey in the Kanto and Johto regions.

Misty leaves Ash behind to become the sole Gym Leader of the Cerulean City Gym in Episode 273, according to Bulbapedia, after a long journey in the Kanto and Johto regions.