Why do you play ZSS? Are there reasons why i should switch?
Well, ZSS has been my first character in Smash 4 since I've got the game, which was nearly a year ago. I kinda chose her because at the time, she looked fun to play as (bearing in mind, this is around the time when the 3DS version came out, so I didn't know anything about competitive Smash or any players). She also reminded me of Snake, who I wanted to be in Smash 4, but ended up not getting in. So, I mained her, and she's an extremely fun character to play.
ZSS is a rush down character with high risk and high reward. If you enjoy playing aggressively, then she will be the character for you. However, she's one of the most precise and difficult characters in the game, and in order to play her somewhat decently, you're gonna need to be hitting the lab and practicing with her. She isn't a pick up and play character, you'll need to be adjusted to her speed, her moves, what she can and cannot do. In the end, it will be worth it.