You should not touch other people's food
Nick and Leah are eating and Leah has ordered a unique looking sausage that the waiter brings her.
Nick wants to ask Leah about the sausage.
Nick points to the sausage on Leah's plate and looks at it and asks what it is.
Nick picks up the sausage off of Leah's plate and looks at it and asks what it is.
Leah tells Nick that it's a special kind of eastern european sausage that she learned about recently.
Leah is disgusted that Nick touched her food with his germ filled fingers and now doesn't want to eat anymore.