Alzheimer's society show

[rebbonk]

I’ve just done a show for the Alzheimer’s society.

I told a joke and they all laughed so I told it again and they laughed again.

I told the same joke for an hour and they laughed every time.

When the chairman was paying me he said " you were brilliant tonight but

Spoiler:

I don’t know how you remember them all".

[dutchman]