Subconsciously, you might feel like your younger self and still holding onto your stutter in a negative way. That’s why when you go to ask a question, the subconscious fear emerges and turns into a block. Not stuttering when asked a question could show that you’ve gained confidence like you said. You’ve changed your appearance and you know that people don’t see you as your younger self. Asking questions makes you feel like your younger self. Honestly, I’ve no idea but this is what I sometimes feel like