Sally says to her husband Jack, "Listen you need to stop drinking. You are spending all our money on alcohol."
Jack replies, "And what about you blowing a 100 dollars in the beauty salon? Isn't that wasting money?"
Sally says, "C'mon Jack, you know why I go there - so I look beautiful to you."
Jack replies, "And what do you think I drink alcohol for?"
Source: www.reallyshortfunnyjokes.net