You probably don't need a Freedom Bus Pass.
Prat!
Sorry, but getting on the bus, claiming you've forgotten your Freedom Pass and then trying to pay a £2.50 bus fare with a freshly printed twenty pound note peeled ostentatioulsly from the thickest roll of the things I have ever seen and then having an argument with the driver about not having anything smaller does not garner any sympathy.
He did not appear to be disabled, was not in obvious pain, and actually ran for the bus.
I do understand the concept of concealed disablities, but really!