The thing that I would like to point out is this:
Most people who have a blue badge, unless their disability is so profoundly obvious, such as 'cannot walk at all' will already have second guessed themselves, had a Doctor support their application, had an application assessed, and had a badge issued. For 3 years, no matter what the condition, no matter how long it is expected to last, even if it is permanent.
DD1 (6.4) is exhausted at school, so much so that the teachers have asked me to get her reviewed several times. By lunch time, she is so very exhausted that they have to sit with her, feed her, and play games to try and get her to eat her lunch. She has a blue badge, and a SN buggy.
Yet, she will be bombing around if you see her getting out the car. She has no sense of danger, would walk out in front of a car without a thought. She has no understanding of 'pacing herself', which means that she will run rather than walk if she can, no matter how tired. It takes a lot more energy for her to run, because she has low muscle tone and poor balance. Even as a baby, she would amaze people, because she was either 'on' or 'off'.
What would you see? You would see a quirky little girl who is quite naughty, not doing as she's told.
Without that badge I couldn't take her out anywhere with her sisters. I can't keep them all safe. It's life. But the worst thing is seeing people judging her, judging me, judging my parenting.