A woman and her lover are on the bed in the woman's home, when all of a

A woman and her lover are on the bed in the woman's home, when all of a sudden, they hear the front door open and close.
"Oh, no, it's my husband!
" The man says, "Where's your back door?
" "We don't have a back door" says the woman.
The man then asks, "Well, where do you want a back door?
"