I want to play video games
Sounds like fun. Do you think you'll get really good at them?
I'm going to play video games at a professional level. I need to get better.
It's good to play video games. It's normal to have healthy hobbies like that.
I am so good. I should have a job where I play video games.
You should definitely keep pursuing your goal, then! Being a pro-gamer is a legitimate job these days, and there are high stakes tournaments and organizations just for it. You can do well!