Feeling upset in this situation doesn’t mean you aren’t healed - that guy was being immature and rude. I have days that I feel confident, and then a particularly tough interaction will sting more than usual. You should absolutely give yourself grace. Let yourself cry! We shake off people’s reactions to our stutter every single day of our lives. It’s a constant harsh form of humbling that most people don’t experience. We’re tough, but that doesn’t mean we don’t have feelings!