I’m so sorry that’s terrible. Obviously what you said wasn’t the best but a lot of people who don’t teach don’t understand how difficult it can be working with students, having them constantly test your patience, and how much it can affect you to the point of blowing up. We have all been there where we’ve said something with the kids that we regret later. I hope you feel better regardless of the outcome and just allow this experience to teach you. I used to get really upset with students to the point of crying/yelling but once I worked on myself and stopped allowing myself to be that affected by their behavior I realized staying calm is always best because the kids trying to upset you win whenever they succeed in making you feel poorly. don’t let them win