Ignore the ignorants who don't know what they are talking about. And besides EVERY horse is different and they don't know yours! Good to see how happy he is after his box rest - lovely boy :)
I have to agree that isn't bolting, she's just having fun! And yes you should try and turn in a big circle to stop as pulling just deadens the mouth. I hope she's had a few schooling sessions and been taught to respond more politely to the aids :-)
Just stunning!