"I feel guilty that I have a registered for a Disability Parking Permit. I don'd need a walking aid but my feet and ankles become very painful after walking 100 metres approximately. Should I have walked through my pain. I kniw my friends will be very surprised that I have this permit and some will be judgemental. How do I exlpain that I really need it. I take 5mg of prednisone and methotrexate."