A husband and wife decide on a code language whenever they feel like having make love to escape the attention of their son.
According to the code language, the wife will be the typewriter and the husband will act as the typist.
However, they had a petty quarrel a few days ago and were not talking to each other.
One day the husband gets into the mood and he can’t hold any longer.
So he sends a word to his wife through the son.
The son comes and tells her, “Mom, dad wants to use the typewriter.”