peanuts for free

An old lady offers the bus driver some peanuts, so the driver happily munches them.

Every 5 minuts she gives him a handful more peanuts

Driver: Why don't you eat them yoursefl?

Old lady: I can't chew...look, i have no teeth!

Driver: Then why do you buy them?

Old lady: Oh i just love the chocolate around them!

eeeew...