Husband and wife are waiting at the bus stop with their nine children. A blind man joins them after a few minutes. When the bus arrives, they find it overloaded and only the wife and the nine kids are able to fit onto the bus.
So the husband and the blind man decide to walk. After a while, the husband gets irritated by the ticking of the white cane the blind man taps on the sidewalk and says to him, 'Why don't you put a piece of rubber at the end of your cane ? That ticking sound is driving me crazy !'
The blind man replies, 'If you had put a rubber at the end of YOUR's, we'd be riding the damn bus, so shut the fuck up