I dont Know what you mean. I'm just a normal 105 year old who needs to walk their 15 very well behaved dogs, dogue de Bordeaux, Newfoundland, English mastiff etc, three times a day. Where I live it's uphill both ways to the park so I have to drive my van there. Yesterday I saw a young family, all on bikes which much have cost ?10k each, cycling along, laughing. I read on the internet that a single laugh can generate a viroid plume in excess of 100 square metres, thus this young family was blanketing most of the neighborhood in viruses. Very dangerous behaviour, should be stopped.