A farmer comes home late one night, and
makes his way to the bedroom, where his wife is sleeping.

Under his arm however is a sheep.

He says to his Wife, " This here is the pig i've been with for the past 20 years".

His wife wakes up and says, " Jim, i hate to break it to you, but that is a sheep under your arm".

The Farmer replies," That's not the pig i'm talking too".