This was great! I always try to give feedback when asked for. I have a few recommendations.
The “I” in the second sentence could be deleted. It seems maybe you were going for a different thought. I’d also separate the last sentence.
Maybe something along the lines of:
“Oh, you egotistical-overgrown-pineapple-head! What were you thinking?!” She huffs. “I didn’t ask for you to step in. I had it handled.”
I love the humor of the insult you created. You could totally keep going. I’d love to see a response from the next character. Loved it 💛💛💛